Laboratory - User Manual
Contents
1. Controllable matrix of eight LEDs 6 Three LEDs red yellow and green each at its own digital input 7 Four buttons resistance A resistance B resistance C and resistance D variables 8 Light sensor Light variable 9 Sound sensor Sound variable 10 Adjustable resistor Slider variable Additional items for which a modified version of ScratchBoard is needed The kit also includes the cable to connect the ScratchBoard to a PC see Fig 12 a CD with the software User Manual written guarantee 1 The said variables are used in the Scratch programming language which is considered later i PAR gt 2 ScratchDuino M Sensors Testing and Calibration To be able to compose the programs it is important to study the response of the sensors and the values taken by the buttons of ScratchDuino Lab Despite their being standard the sensors in different kits of ScratchDuino Lab can have their own individual ranges of sensitivity Table 1 Sensitivity Ranges and Values Taken by the ScratchDuino Lab Buttons 0 emarortutenemeolevsiid Vin vax JA TE E Tape ressor Serr fo 100 Black button Button variable Four buttons resistance A resistance B resistance C 100 and resistance D variables Temperature sensor 22 5 when connected uses the resistance A variable Calibration of Light Sensor To calibrate a light sensor a meter of illuminance is used In our case it is2. 2 a block of incomplete branching that checks the value of the Slid er variable from the connected ScratchDuino Lab In accordance with the speci fied condition the script runs if the Slider rests at the right hand side of its lane that is the value of the Slider variable is greater than 50 key pressed point in direction 90 7 set x to set y to SET 3 if slider sensor value 50 move 60 steps wait secs point in direction Cha move steps pr Secs point in direction 90 V Fig 27 An algorithm with branching Conclusion The project can be implemented in full only in case when all three kinds of algorithms inear loop and branching are used Such delay convenient for human eye belongs to the methods of developing the projects with animation i PAR 2 ScratchDuino m How to build a block checking a condition Fig 27 shows a block checking a condition Such block is built as follows you drag one after another the block IF THEN from the Control group a logical expression from the Operators group and the sensor value from the Sensing group Fig 28 Fig 28 How to build a block checking a condition The numeric value can be changed in the Edit field Editing the script If you need to remove a block from a ready script the rule Detach at the bot tom is used As an example to remove a block from the script in Fig 29 t
3. User Elena Vostrikova City Here write your region and city settlement 5 ScratchDuino School Pleas write the name of their school Give a link community aeta A Position Adult members ofthe community are writing a post and providing a link to a personal blog site Children can delete this line CratchDuino There must be My contribution to the project ScratchDuino your name as a signature to a photo Example project ScratchDuinoLab gameship Replace the example in the pages of his projects Here post links to your portfolio pages with creative projects My discussion of creative projects of other members of the community ScratchDuino Here post links to pages portfolio of creative projects of other members of the community ScratchDuino in the discussion of which you took part until 31 December Usually these are the projects that you like or projects that you would like to improve Category Community members ScratchDuino Fig 59 Standard content of your page 13 Go to the Edit tab Fill in the mandatory lines at Personal page of Communi ty member ScratchDuino Replace the filename Logo 1024be1 300x54 png with the filename of your own photo Instead of Community member ScratchDuino type in your Name and Surname etc For example in the Editing mode a personal page can be made as follows File 11 04 2015 jpg thumb 100px left Elena Vostrikova City https en wikipedia org wiki Novokuznetsk N
4. the red one is for analog input while the yellow one is powering the sensor 4 36V You can check it with a voltmeter Use the black and the red clips For a voltage range of 4 20V make a Voltage Divisor The resistance of a voltmeter must be sufficiently high To avoid com plicated calculations and determining the internal resistance of the analog in put calibrate the device by experiments Take three resistors of a 91KA each Fig 43 shows that the voltage drop is actually measured on a resistor Calibrate the Voltage Divisor i LOL ScratchDuino my Plus Fig 43 The Voltage Divisor Measured voltage made of three resistors of a 91KQ k sid and crocodile clips Table 4 Relation between the Values of the ScratchDuino Lab Sensor and the Digital Voltmeter ae Coefficient measured by the digital voltmeter value 42072 4AB O oo AVERAGE As Table 4 shows the dependency is linear The average coefficient is 4 74 On your own make two sprites the Voltmeter Scale ranging from 0 to 20V and the Red Arrow Fig 44 Sprite2 Sprites Fig 44 Sprites for the project Make the script for the Voltmeter Scale so that on launching the project on pressing the up arrow key the Voltmeter Scale is placed in the bottom left corner of the Stage Fig 45 36 i PAR 2 ScratchDuino ki when Up arrow key pressed set x to set y to 0 Sprite3 stop script Fig 45 Sc
5. 10 Running the executable Connecting ScratchDuino Lab and Selecting a Port in Scratch In the Scratch window that appears select the blue block Sensing then right click on the block Sensor and select show ScratchBoard watcher see Fig 7 Then right click on the grey background and choose select serial USB port see Fig 8 Select dev cu usbomodem1411 in the drop down list i PAR gt 2 ScratchDuino ji Components of the Kit ScratchDuino Lab Digital Laboratory is intended for laboratorial and illus trating experiments research projects of the students and hands on training at the IT classes and the lessons on natural sciences in primary and secondary schools 5 11 grades The equipment includes Arduino UNO microcontroller with the options of standalone operation and cinnection to a PC with monitor built in sensors see Fig 13 attachable sensors Fig 11 designed for metering the parameters of ob jects at study by the external devices Fig 11 Attachable temperature sensor and connecting cable with three crocodile clips ke Fig 12 180 cm long cable to connect ScratchDuino Lab to a PC i PAR 2 ScratchDuino ja w E Fig 13 Components of ScratchDuino Lab circuit board 1 Sockets for additional analog sensors resistance A and resistance B variables 2 Digital input for an external device 3 Button Button variable 4 Speaker 5
6. MediaWiki Mail scratchduino email address confirmation Someone probably you from IP address 94 199 78 161 has registered an account Fig 51 The subject of the message in your Inbox folder someone probably you from IP address 94 199 78 161 has registered an account Elena Vostrikova with this email address on scratchduino To confirm that this really does belongto you and activate email features on scratchduing open this link in your browser hitpo wikiscratchduino acess cial ConfirmEmail 81360afc760eafa7ea24 19dc047696c5 Fig 52 The body of the message in your Inbox folder 6 On clicking the link in the message you get to the project website at a page with the wording shown in Fig 53 i LO ScratchDuino Special page Confirm email address Your email address has now been confirmed Fig 53 The page appearing after the confirmation of your email address 7 Proceed with creating your personal page where you can upload your pro jects for the sake of ideas exchange and discussions Many of the members of ScratchDuino Wiki portal have never met each other so it would be nice to place at the page a photo portrait of yours It is advisable to choose the one showing you in a good mood as making the robotic projects is a pleasure after all The size of the photo file must not exceed 2MB Accepted are file formats PNG GIF JPG JPEG 8 Select the link Upload file in the left menu of the portal At the pa
7. digi tal luxmeter LX101 The measurements shown in Table 2 and in Fig 14 Table 2 Relation between the Meterage of ScratchDuino Lab Light Sensor and Luxmeter LX 101 Luxmeter 4 3 41 22 37 42 52 es 75 es o2 2 8 81S 8 LX 101 Ix Light 12 47 65 67 67 70 70 71 72 73 75 82 sensor i PAR 2 ScratchDuino ja Relation of the Meterage of Luxmeter LX 101 and the Light Sensor 12 47 60 65 67 Gf 69 70 0 71 72 73 75 82 86 90 Fig 14 Area of linear dependency confidence range between the Luxmeter LX 101 and the light sensor of ScratchDuino Lab meterage curves Using the Luxmeter LX 101 user manual s guidelines on recommended level of luminance at working places Fig 15 it is possible to assume that the built in light sensor of ScratchDuino Lab can be with great confidence used as a luxmeter at a luminance of up to 100 Ix calculated by Formula 1 This formula is obtained as per a trend line approximation of the function for the light sensor values from 12 to 73 y x 15 62 1 confidence range of the sensor RECOMMENDED LUMINANCE AT WORKING PLACE lx JA 1000 5000 3000 2000 1500 1000 OFFICE Typing Office work Conference hall Corrifor Entrance Inner escape Drawing Canteen Stairways Stock stairways works Reception office room HOME Sewing Reading Face Dining All kinds Laun Learning painting table of relaxat dering ion HOSPITAL Eyesight Operation Examination
8. from your PC You can create and add a new costume as well The Stage includes a set of images found under the Backgrounds tab Fig 18 which are background for the sprites actions On launching the program a background image is ready it is a white rectangle 480 pixel wide and 360 pixel high A pixel is a dot a minimal component of rasterized computer graphics Scripts Y Backgrounds Y Sounds New background Paint Import OD TERR MAAKKAKEEAAKAEKAKKAKAKKAKKAKAEKAKEAAKEKAEKEAKAEKKKKEAKAKKKEEAKAAAKKAKEKAKAKEKKKKEKKAKK Fig 18 The Backgrounds Tab 20 i PAR gt 2 ScratchDuino m The command set for the sprites consists of 125 commands while for the stage there are 85 of them This set allows for the implementation of a vast variety of algorithms All the commands are found at the top left pane of the program window the Block Palette distributed into eight groups The groups are high lighted with different colours Motion Looks Sound Pen Control Sensing Operators and Variables Projects in ScratchDuino consist of several scripts for the sprites performed simultaneously in parallel using one or more costumes Fig 19 PROJECT in Scratch Costume 1 Costume 2 Script 1 Costume 1 Script Costume 2 Script 2 Stop Costume Costume Fig 19 The structure of a project in Scratch Highlighted is the mandatory part The rest depends on the author s d
9. key If you use a purely linear algorithm the process of building the stairs is not visible but the picture appears instantly changing the number of stair steps needs to make the script longer and to edit numeric values in each block so this method cannot be called easy the requirement concerning the Slider cannot be met It is reasonable to start studying Scratch since the 5th grade as the students have to be aware of some math ematical notions such as coordinate plane positive and negative numbers decimal fraction degree measure of angles etc However simple projects can be implemented in primary school as well y ScratchDuino 23 when Up arrow key pressed point in direction 90 Y set x to set y to pen down move 60 steps point in direction OY move 40 steps point in direction 307 move 60 steps point in direction 34 move 40 steps point in direction 90 T move 60 steps point in direction 34 move 40 steps point in direction 907 pen up Fig 20 Linear algorithm to draw the stairs Fig 21 The result of linear script for Sprite 1 in a Crab costume at a Stage with white background courtesy of crab1 a collection Conclusion 1 When only the linear algorithm is used you cannot meet all the requirements i PAR gt 2 ScratchDuino a Loop algorithms A loop is a series of commands to be repeated until a specified co
10. project Once in the era before the advent of computers and the Internet chil dren were playing Battleship on the slot machines Now you can play its online version at this address http morskoy boy 15kop ru game We have created a semblance of the game At the top of the screen there are sail boats while at the bottom of the screen there is a gun The gun is moved by the left and right buttons on ScratchDuinoLab When you press the upper button the gun fires and the game pauses When you press the lower button the game continues The game has several levels Each level increases the speed of the ships If you miss your life shortens At the background of the game the sea creatures are floating Link to download the festival project https goo gl U5RCYx Active link to the file in sb Category Project Category ScratchDuino 2016 Click the button Save page From now on your project is available for the whole community The com ments can be read and written at the project page at the Discussion tab i LO ScratchDuino Rules on Discussing the Projects at wiki scratchduino com The Festival is not a contest but a live exchange of ideas findings and ready projects as well as a permanent search of the best ways to introduce the libre robotics That is why along with the number and the quality of the projects up loaded the Expert Group will consider also the number and the quality of the discussions led by a
11. projects Links to all festival projects negotiated by a participation Category party e preschool education e Primary schools 7 10 years e Further education 7 10 years e Family education 7 10 years Primary school 11 15 years e Further education 11 15 years e Family education 11 15 years e High school 16 17 years High school students 18 23 School teachers e Teachers additional education e Party outside the category edit Nomination serving festival project edit ScratchDuinoLab e ScratchDuinoPobotKit e ScratchDuinoLab modification e ScratchDuinoPobotKit modification Description of the festival project What you should know the participants who want to test your project You can add screenshots videos photo reports and other materials that prove the relevance of the project edit Link to download the festival project edit Active link to the file in 5b Categories Project ScratchDuino 2016 Fig 64 A template page for a project portfolio Next it is important to fulfill all the sections of the portfolio Below a ready portfolio in editing mode is shown Name of author s of the project and the reference s of person s on the page http http wiki scratchduino com i LO ScratchDuino 46 User Elena Vostrikova Category party Party outside the category Nomination serving festival project ScratchDuinoLab Description of the festival
12. to help the author is welcomed LOL ScratchDuino 49 Talk Project ScratchDuinoLab gameship Hello Elena liked your game The truth is can not go beyond the second level My questions 1 How do you come up with this game 2 You do it for a long time 3 Which editor you painted background of the game and the characters Remarks 1 Life is not drawn exactly 2 do not like black cross at the end of the game suggestions 1 It would be good to choose the level of play Although know it s hard to doubt Waiting for your new games Daria Zinovieva talk 13 15 7 August 2015 MSK Fig 67 An example of a discussion page in Read mode The Expert Group of the Festival does not deal with the anonymous mes sages Having your message complete always click the button Your signature and timestamp i LOL ScratchDuino Information Sources Information environment of the project ScratchDuino official website File server ScratchDuino Wiki ScratchDuino Group at Google ScratchDuino video channel at YouTube Group at VKontakte social network Russian speaking help desk http www scratchduino com http files scratchduino ru http wiki scratchduino com https goo0o gl uUVRm6D https goo gl Y5jDz8 http vk com scratchduino support scratchduino ru 50 PAR 0 ScratchDuino A Appendix Statutes of ScratchDuino Libre Robotics Festival 1 General Provisions All Russia
13. yet Fig 24 The result of script with a loop for Sprite 1 in a Crab costume at a Stage with white background courtesy of crab1 a collection Conclusion 2 When only the linear algorithm and a loop is used you cannot meet all the requirements of the project The Crab Draws the Stairs Branching algorithms An algorithm is called branching if it has several options to choose for a further action The choice can be simple in case of two alterna tive options or complicated when there are more than two options Fig 25 Fig 25 A complicated choice The moment of a choice is called the branching point Branching is one of the three basic structures of algorithms along with the linear flow of commands and the loop All the programming languages have special operators or com mands conditional operators to implement an action depending on a stat ed condition Scratch has three conditional operators in its Control group complete branching IF THEN ELSE incomplete branching IF THEN and pause WAIT UNTIL Fig 26 7 Fig 26 Conditional operators in Scratch i PAR gt 2 ScratchDuino a Implementation of the project The Crab Draws the Stairs using a linear algorithm a loop and a branching As shown in Fig 27 the ready script Fig 23 was added by wait until 1 two blocks of pauses enabling you to see like in an ani mated cartoon the process of drawing the stairs
14. Duino and you ll get to the page with the list of those who have created their pages and are preparing or are ready to upload their projects Now you can explore the community mem bers pages and participate in the discussions on completed projects i LOL ScratchDuino 44 wiki scratchduino com Uploading a Project If you have created a project that you think exciting and you are ready to share it with the community then send your brainchild to the annual ScratchDuino Libre Robotics Festival At your personal page in the Editing mode add a name of the page to place your project at For this you need to type in the name adherent to following conventions 1 The name must begin with the word Project 2 After a blank space mention the nomination relevant to your project 3 The name must be unique and not coinciding with the name of any other project To ensure this go to Category Projects and check if the name is not used by anybody else An example of such a name follows Project ScratchDuino Lab gameship Click the button Save page User page Discussion User Elena Vostrikova City Novokuznetsk Russia School municipal autonomous educational institution of additional education Training Institute Position department manager My contribution to the project a Project ScratchDuinoLab gameship My discussion of creative projects of other members of the community ScratchDuino Elens Vostrikova
15. International in case of foreign participants festival ScratchDuino Libre Robotics hereinafter the Festival shall be held annually in accordance with the state policy concerning the development of educational robotics and lifelong IT education in the Russian Federation Founders of the Festival JSC Tyrnet and partners The objectives of the Festival are generalization and promotion of the experience of applying the libre ro botics introduction of libre robotics into the curriculums of primary and sec ondary educational institutions as well as in the family form and for self education Participants of the Festival educators students and creative teams of adults and children ranked by their skills and education level 2 The Organization of the Festival 2 1 The preparation and holding of the Festival shall be carried out by an Or ganizing Committee 2 2 The Organizing Committee shall makea list of the Expert Group _ notify about the schedule the procedure and the results of the Festival examine the projects submitted to the Festival promote the best participants of the Festival 3 The Content and the Procedure of the Festival 3 1 The Festival shall be held in 3 stages Stage 1 Grassroots September December the Festival participants are registering on the website http wiki scratchduino ru and uploading the portfolio of their festival pro jects i
16. LO ScratchDuino the Festival participants study each other s projects make their com ments and put guestions to the authors the participants put their applications into a self registration sheet at a page of the Festival website ScratchDuino Group at Google https goo gl UVRm6D runs consulta tive workshops the information about the Festival is published by the mass media Stage 2 Expertise January the Expert Group is working the best participants of the Festival are being chosen ranked by educa tional level within the nominations Stage 3 Final February 7 International Day of Robotics the best participants of the Festival are announced and awarded 3 2 The examination of the projects shall be made within two or four in case of such kinds of projects nominations taking into account the educational level ScratchDuino Lab ScratchDuino Robokit ScratchDuino Lab modification ScratchDuino Robokit modification 3 3 The participants themselves shall upload their projects to the portal http wiki scratchduino com as a project portfolio with mandatory indica tion of the participant category Category Projects Category ScratchDuino 2016 3 4 The projects submitted shall have no feedback review of the Expert Group 3 5 The names of the best participants of the Festival shall be placed at the homepage of the Festival website 4 Selecti
17. USER MANUAL ScratchDuino Lab St Petersburg 2015 JSC Tyrnet ScratchDuino Lab St Petersburg JSC Tyrnet 2015 Printed by the order of JSC Tyrnet Reviewer Professor Irina B Gotskaya EdD Chairperson of IT Education Methodology Dept at Herzen State Pedagogical University St Petersburg Elena A Vostrikova ScratchDuino Lab User Manual Elena A Vostrikova Leonid S Zakharov Ekaterina A Lvova St Petersburg Reprographics Center of JSC Tyrnet 2015 54 p This User Manual explains how to operate ScratchDuino Lab which is an elec tronic device with built in sensors of sound and light an adjustable resistor and interface to attach extra sensors The Manual contains the following information 1 Instructions on installing the software for the three major operating systems OS 2 List of the components in the box the methods for sensors testing and cali bration Essential information about the programming language Scratch need ed for the work 3 Examples of working scripts to use with the sensors 4 Instructions on registering and placing individual projects at the portal wiki scratchduino com as well as the opportunities of children s and adults cooperation within the framework of the festival ScratchDuino Libre Robot ICS JSC Tyrnet 2015 Table of Contents Installing the Software for ScratchDuino lab mmnve
18. an differ Within the framework of ScratchDuino commu nity see about it below you can offer your own meterage and formulas You can also share with other members of this community the experience concern ing the calibration of the sensors the ones shipped with the kit or additional Sensors calibration Calibration of the sensor is a specific area of educational i 7X i ScratchDuino M Basic Concepts of Scratch Scratch is a computer model of the real world Its environment with the items of graphical user interface GUI is shown in Fig 17 Scratch 1 4 of 30 Jun 09 a Horory 3 HB File Edit Share Help HL when up arrow j key pressed forever fs gt ae x 1285 y 365 New sp ite 37 EX 2g gt Fig 17 The Scratch environment 1 Info Panel 2 the Block Palette groups of commands 3 the Script Area 4 Control group 5 the Actor sprite 6 background of current Stage 7 the Sprites Panel 8 the Stage area The world of Scratch consists of many objects the word object stems from Latin objectum which means a thing populating a common space The objects are anything that exists in the nature people animals wind snow tree sun letters ice cream candies and all The objects can also be Actors to implement the algorithms i LOL ScratchDuino An algorithm is an exact step by step instruction determining the behaviour of the Actor s that brings t
19. ard Select the port to which ScratchDuino Lab is connected in the drop down list i LO ScratchDuino Linux OS Family There are three ways to install the ScratchDuino Lab software for GNU Linux OS family Use the CD shipped with the kit Download the packages from the file server of the project http files scratchduino ru Install from a dedicated repository containing the installation packages for ScratchDuino Lab software vm via the official repositories of your Linux distribution or download from the developer s website In such a case Scratch will not work with a serial port and therefore you will not be able to program ScratchDuino Lab in Scratch The version of the package for the virtual machine squeak vm based on which Scratch 1 4 operates must be 4 0 3 2202 It is not recommended to install scratch 1 4 and virtual machine squeak Installation from the CD The packages for installing the software under an OS of Linux family are on the CD in the linux folder Installation packages are built for some of the most common Linux distributions RHEL CentOS Fedora Scientific Linux Ubuntu Debian openSUSE SLED and found in a folder with the appropriate name mentioning the version of the distribution If there is no distribution you need select a distribution closest to the desired For example to install ScratchDuino on Linux Mint 17 use the packages from the linux xUbuntu14 04
20. ber at the portal http wiki scratchduino com Take notice that your account name at the top of the page is highlighted red Fig 56 It means that the page has got a title but isn t created yet Click on the account name Fig 67 The name of the page that bears your photo Elena Vostrikova Talk Preferences Watchlist Contributions Log out Fig 56 From now on your page has a title but is not created so far 11 You ll get to the page with the message shown in Fig 57 User page Discussion User Elena Vostrikova There is currently no text in this page You can search for this page title in other pages search the related logs or edit this page Fig 57 The page where you are offered to create a personal page Select the link Edit this page 12 A window of a text editor will open Editing User Elena Vostrikova You have followed a link to a page that does not exist yet To create the page start typing in the box below see the help page for more info If you are here by mistake click your browser s back button B ait A ks a subst Te Fig 58 Your page in the Editing mode For members of the community a template of personal page is provided To create a page it is enough to enter the phrase subst Template Personal user page very carefully without any mistake and click the Save page button As a result your page will be created with a standard content Fig 59 i LOL ScratchDuino 42
21. cratchduino XXXXXXX In all cases XXXXXXX must be replaced with the name and version of your Linux distribution For Deb based distributions install the packages scratch 1 4 0 7 squeak vm 4 0 3 and squeak plugins scratch from the added repository For RPM based distributions install the packages squeak vm 4 0 3 and scratch 1 4 0 7 from the added repository i LOL ScratchDuino Post Installation Configuring After successful installation of the software to operate ScratchDuino Lab you will need to make some post installation configuring Arduino UNO is accessed via dev ttyACM lt Homep gt By default the dev tty devices are available to the users from the dialout group only There fore the user who is going to work with ScratchDuino Lab must belong to the dialout group Add the user to the dialout group If your Linux distribution is either Ubuntu 12 04 and later or an Ubuntu based distribution for example Mint you need to check your windows man ager WM By default it is Compiz Unfortunately Compiz can cause conflicts with Scratch That s why it is recommended to install the package gnome session fallback for Ubuntu 14 04 and later gnome session flashback so that the WM choice would be available at the login window Fig 6 Select desktop environment lt 2 GNOME Flashback Compiz 2 GNOME Flashback Metacity G Ubuntu Default Fig 6 Login window When logging in
22. d Arrow coordinates Fig 41 when Up arrow key pressed set x to set y to we 0 9261 Bae 2 2237 Be resistance A sensor value Pitt al 0 9261 bal 2 2237 eee le T TTT oe TT Fig 41 Script for the sprite Red Arrow Note The sensor was calibrated by a household thermometer which is never too exacting That s why during the project implementation it was noticed that the sensor showed the temperature value higher than our own senses suggest ed You have to calibrate your temperature sensor using a thermometer of a better precision i PAR 2 ScratchDuino ji External sensors Theme The Voltmeter To Measure the Voltage Drop at Direct Electric Current within the Range of 4 20V Reguirements made the Voltage Divisor of three resistors of 91KQ each Figs 42 and 43 calibrate the Voltage Divisor using a digital voltmeter use two actors in the script the Voltmeter Scale and the Red Arrow the Voltmeter Scale is placed on the left the Red Arrow moves along the Voltmeter Scale the measured numerical value of the voltage is shown in the variable output window Fig 42 on pressing the space bar all the scripts stop running Ja Implementation gt m oma u eoo Fig 42 Measuring the battery voltage using the Device and a view of the screen ScratchDuino Lab kit includes a connecting cable with three crocodile clips The black clip is for minus
23. e John Doe etc Avoid the impersonal names Click the Create account button Create account Already have an account Log in To help protect against automated account creation please answer the question that appears below more info Are you robot no Username Elena Vostrikova Password eoccccese Retype password eessesses Email elena vostrikova scratch Email address is optional but is needed for password resets should you forget your password Real name Elena Vostrikova Real name is optional If you choose to provide it this will be used for giving you attribution for your work Remember my login on this browser for a maximum of 180 days Create account Fig 49 The fields to fill in at creating an account 4 If all the fields are filled correctly you will see a notification similar to shown in Fig 50 Login successful A confirmation code was sent to your email address This code is not required to log in but you will need to provide it before enabling any email based features in the wiki Welcome Elena Vostrikova Your account has been created You can change your scratchduino preferences if you wish Return to Main Page Fig 50 A notification about successful creation of an account 5 Check your Inbox and make sure that the message has not got into Junk Mail The sample body of the message sent to your email address is shown in Fig 64 Click the link within the message Figs 51 and 52
24. eeaennnenee aan aenea 4 WIAdOWS OS FAM irstgaaesaavi seda daa vas aiaiai daame 4 EPUL OSE Va A TA AE EE AA E A EN OET 8 Medal econ aston asians aecstants arene eee ee 12 COMPONE Ol CNS JAMAMA i 13 Sensors LESEING ANG Calibrati ON kami snares ieaneboasisaite E E 15 Basic CONGEPLS OTS ALGA arnir linask aada enone alamad aaa 19 Basic AIBOHILAMS OL SCLALGI eani 22 Projects To Make Use of the ScratchDuino Lab Components 28 PULLON Sc a E due soeecaseenassani toned 28 SHG O loca amm aa aaa aia 29 Seiske i a ciaueecteretcete gianna 30 External Temperature SENSOR siririn EE a aal eae eee ead 33 ECTS let CIS Sea setesasactce aera enone 35 Promoting the Community of the Like Minded mevsrneeeeeeaevnee 38 Wiki Portal of Project ScratchDuino Signing Up cccceceeseeeceeseeseeeeeseeees 38 wiki scratchduino com Uploading a Project cccccccesceseeeseeseeseeeeesceeeeees 44 Rules on Discussing the Projects at wiki scratchduino com 47 LT OC TNA AION SOU oii a 50 ADDEN anie ans AS ps est ete ctl eras cid ETA AAA AEA an A AA A A cians caiet 51 Statutes of ScratchDuino Libre Robotics Festival cccccececececcscececeeeecs 51 i LO ScratchDuino Installing the Software for ScratchDuino Lab Windows OS Family necessary to install at least the visual programming environment for Scratch and Arduino UNO driver In addition advanced users might
25. esign To describe the projects in Scratch the following pattern is used theme requirements to meet description of the project progressing and or explanations for the script the picture of the script i LO ScratchDuino Basic Algorithms of Scratch The algorithms can be divided into three kinds as of their structure linear branching and loops Linear algorithm is such one for which all the commands are done one after another and only once Its script is a sequence of blocks following from top to bottom in the order of their performing Theme The Crab Draws the Stairs Requirements the Actor is the Crab the drawing is made like in an animated cartoon an easy option to change the number of stair steps and their size is pro vided the script runs if the value of Slider variable is greater than 50 Implementation of the project The Crab Draws the Stairs using a linear algorithm We have to teach our Crab to draw the stairs The Crab lives in a rectangular field of a size 480x360 pixels and knows how to locate a place in the field by its coordinates The Crab can make a prescribed number of moves wait and point in the directions left and right by 0 90 and 180 degrees The Crab has a pen that leaves a line when put down A script for the Crab is shown in Fig 20 As per this script the Crab draws 3 steps Fig 21 The script starts running on pressing the up arrow
26. folder For Deb based distributions install the packages scratch 1 4 0 7 squeak vm 4 0 3 and squeak plugins scratch For RPM based distributions install the packages squeak vm 4 0 3 and scratch 1 4 0 7 After the successful installation you will find the launcher icons for TA Scratch Cat at your graphical desktop e3 Besides you can run Scratch and ScratchDuino from the console for this type at the command prompt i LOL ScratchDuino Installation from the File Server of the Project The installation is similar to the installation from the CD Download the packag es that match your Linux distribution from http files scratchduino ru Software Linux and install them Installation from a Repository Add the repository for your distribution as described below for openSUSE and SLE type in the console the line S sudo zypper addrepo http download opensuse org repositories home scratchduino XXXXXXX for CentOS RHEL Fedora and ScientificLinux add a file etc yum repos d scratchduino repo with the following contents scratchduino name ScratchDuino type rpm md baseurl http download opensuse org repositories home scratchduino XXXXXXX gpgcheck 1 gpgkey http download opensuse org repositories home scratchduino XXXXXX repodata repomd xml key enabled 1 for Debian and Ubuntu add a line to the file etc apt sources list deb http download opensuse org repositories home s
27. ge that opens find and click the upper button Upload file Browse your PC to choose the appropriate photo file This file will be displayed at the page However it isn t uploaded yet At the bottom left of the page find the Upload file button Click it Special page Go Search Upload file Use the form below to upload files To view or search previously uploaded files go to the list of uploaded files re uploads are also logged in the upload log deletions in the deletion log To include a file in a page use a link in one of the following forms e File File jpg to use the full version of the file File File png 200px thumb left alt text tousea Media File ogg for directly linking to the i N a box in the left margin with alt text as description m Source file Source filename Upload file 11 04 2015 jpg Maximum file size 2 MB a file on your computer Permitted file types png gif jpg jpeg File description Destination filename 41 04 2015 jpg m Upload options Watch this file Ignore any vamfinas Upload file Fig 54 The Upload file buttons i PAR 2 ScratchDuino T 9 As a result the page with the uploaded file will look like shown in Fig 55 CkKonupyute uma cTpaHuub l Copy the title of the page In our example it is File 11 04 2015 jpg File 11 04 2015 jpg 10 Now create the proper page of ScratchDuino community mem
28. h instructions please read them first Driver Name Status Arduino Sri www arduin Ready to use VV Arduino LLC www ardui Ready to use vV libusb win32 ibusb0 lib Ready to use BACK Fig 2 Dialog boxes of Installation Wizard A note for users You will not find any Arduino IDE software either on the CD or on the file server of the project This is intentional as with Arduino IDE installed it is possible to reprogram the pre programmed Arduino UNO cartridge To avoid confusions we do not recommend Arduino IDE installation for inexperienced users Advanced users can install the Arduino IDE software from the developer s website see the next section i LOL ScratchDuino How to Install the Software from the Developer s Website 1 Download the installer for Scratch 1 4 from the developer s website http download scratch mit edu Scratchinstaller1 4 exe Run the installer choose English as installation language and follow the instructions of Installation Wizard After a successful installation you ll see the Scratch icon Cat 2 Download the fresh version of the Arduino IDE software from the develop er s website https www arduino cc en Main Software and follow the instal lation instruction https www arduino cc en Guide Windows How to Connect ScratchDuino Lab via USB Cable Plug the USB cable shipped along with ScratchDuino Lab into the USB port of the PC and into the Ardu
29. he block is marked by a red arrow you have to 1 tear away the piece of the script below the block that you want to remove putting this piece aside 2 tear away the said block in the same way 3 bring back the former torn away piece and snap it to the bottom of the upper piece of the script wait 2 secs point in direction OV move 40 n Hait 2 JEL point in direction ETR4 move 60 steps wait secs point in direction Gg point in direction 907 Vea 2 TT point in direction Rd move 40 steps wait Secs point in direction ETR4 Wait 27 Se point in direction 90 V Fig 29 The way to remove a block from the script J LOL ScratchDuino Projects To Make Use of the ScratchDuino Lab Components Buttons ScratchDuino Lab allows you to operate virtual Actors Consider using the but tons resistance A resistance B resistance C and resistance D variables Theme The Cat s Journey Requirements for the journey an appropriate picture is set as a background on pressing the coloured buttons of ScratchDuino Lab the Cat must move rightwards leftwards upwards and downwards the script stops on pressing the space bar of the keyboard Implementation Click on the Stage and select the Background tab Select New background and click the Import button A window with ready images will open Select the Na ture folder and in this folder select the f
30. he Slider s range is O to 100 Dividing by 200 allows to vary the step from 0 to 0 5 set y to set x to set y to if on edge bounce move slider sensor value steps set y to sound sensor value 5 Spntel Deco ee Fig 36 Two scripts for Sprite 1 one draws while the other if the space bar is pressed erases the picture and sets the Self Recorder to the initial position The Bat s task requires to use a variable max Before the loop it is set to O If within the loop the sound sensor value exceeds zero the value of variable max is updated and displayed in the cloud for 1 second when Up arrow key pressed Set ma to fy sensor value gt max set max to sound sensor value say max for secs Sprite2 Fig 37 Script for Sprite 2 The variables are created in the Variables group i PAR gt 2 ScratchDuino m External Temperature Sensor Theme Household Thermometer Requirements Two Actors are the Scale and the Red Arrow the Scale of the household thermometer is placed on the left the Red Arrow moves along the Scale while on the left a numeric value of the temperature is displayed in an output window Fig 39 you have to determine the size of one degree in pixels at the Scale on pressing the space bar all the scripts stop running and the Scale is sent to initial position bottom left corner of the Stage Implementation On your own make b
31. he data taken for example from the ScratchDuino Lab sensors to a required result Development of an algorithm is a creative process An algorithm can be represented as a script Scripts in Scratch and in ScratchDuino are made of ready blocks commands re sembling the bricks of Lego This syntax is quite intuitive To make a script you have to join several blocks just snap them together in the Script Area The blocks and the order they follow each other are important because they define what an Actor is going to do Actors in Scratch are depicted by sprites Sprite is a supernatural creature an elf while the space where the events are happening is a Stage The Stage can be an Actor too The stories in Scratch are described using the algorithms There are only two kinds of Actors in Scratch the Stage and the sprites Sprites either created by the users or downloaded or found in a sprite library are the Actors that operate within the project Many projects include as a min imum one sprite that can move around the project screen unlike the stage Except for running the commands a sprite can change its costume The ap pearance of a sprite can be changed directly or with the commands in the scripts editing area To change a costume you need to go to the Costumes tab found next to the Scripts and Sounds tabs The Costumes tab contains the whole list of costumes and the costumes can be modified or imported from a sprite library or
32. ile desert change x by reslstance C sensor change by Fig 30 Two sample scripts to control a sprite in a Cat costume file cat1 a with the ScratchDuino Lab keys Framed is the first script that stops all scripts on pressing the space bar i PAR 2 ScratchDuino AA Slider Theme Varying the Speed of the Ball by Slider Requirements the Actor is the Ball launching the script the Ball starts to move horizontally back and forth bouncing from the walls within the Stage the speed of the Ball is controlled with Slider the script stops on pressing the space bar of the keyboard Implementation The key idea of the solution is to change the coordinate step along the x axis The effect of bouncing at the border of the Stage is implemented through a comparison of the current coordinate of the Ball x position and the coordi nates of the left and right borders of the Stage 200 and 200 key pressed A key pressed B c ey D repeat until x position 200 A change x by slider sensor value 2 repeat until x position 200 change x by slider sensor value 2 Fig 31 The script and the result of its performance i PAR gt 2 ScratchDuino Sound Sensor Theme Hop on a Signal a clap or a word uttered Requirements the Actor is the Dancer when the script is launched you can see the Dancer ready to hop ona loud sh
33. ino UNO cartridge To ensure the communication be tween the Scratch and ScratchDuino Lab you need to know the number of se rial port connecting ScratchDuino Lab to the PC For this purpose go to Device Manager usually found at Control Panel 2 Device Manager File Action View Help 9 3 HEI 4 i electrotop ip Batteries Biometric Devices Bluetooth Radios JE Computer ea Disk drives B Display adapters e DVD CD ROM drives Human Interface Devices C IDE ATA ATAPI controllers IEEE 1394 Bus host controllers Keyboards JA Mice and other pointing devices A Monitors AM Network adapters Y 4 29 Por OM Se LP F Arduino Uno COM9 A Processors Fig 3 A snapshot of Device Manager window showing the number of serial COM port to which the device is connected automatically i LOL ScratchDuino Remember the number of the COM port It is the port you ll need to select in Scratch In Fig 3 Arduino UNO matches the port COM9 Connecting Scratchduino Lab and Selecting a Port in Scratch Launch Scratch In the Scratch window that opens select a blue block Sensing then right click on the block Sensor and select show ScratchBoard watcher Fig 4 sensor DI help show ScratchBoard watcher enable remote sensor connections Fig 4 Right click menu of the Sensor block Right click on the grey background and choose select serial usb port Fig 5 Fig 5 Right click menu of the ScratchBo
34. ndition becomes true Thanks to the operators controlling the loop the script can be done much shorter Scratch provides the blocks for four kinds of loops unconditioned endless with a counter with a pre condition and with a post condition Fig 22 Fig 22 Loops in Scratch repeat Implementation of the project The Crab Draws the Stairs using a linear algorithm and a loop It is easy to notice that in Fig 20 a set of commands is repeated make 60 moves point in the direction 0 upwards make 40 moves point in direction 90 That means we can use a loop when down arrow key pressed point in direction 90 T set x to set y to wait secs pen down panes 3 move 60 steps TETS 2 E point in direction Gg move 40 steps wait 2 secs point in direction Td Fig 23 A loop Notice that the script in Fig 23 is shorter than in Fig 20 and the Crab has drawn 5 stair steps Fig 24 Now it will be enough to change the value in the repeat box and you will have as many stair steps as you like If we change the number of the moves the height of a stair step from 40 to 20 in just one block all the stair steps will change When we use a loop the process of building the stairs is not visible anyway i LO ScratchDuino we have managed to meet the requirement about easily changing the number and the size of the stair steps the requirement concerning the Slider cannot be met
35. null Category Community members ScratchDuino Fig 62 The page of project portfolio has got a name but hasn t been created yet Click the newly created link and go to the Editing mode for the new page i LOL ScratchDuino 45 Editing Project ScratchDuinoLab gameship You have followed a link to a page that does not exist yet To create the page start typing in the box below see the help page for more info If you are here by mistake click your browser s back button B ajd subst Template Festival project ScratchDuino Fig 63 Editing mode for a new page For the Festival participants the template is provided to make the deployment of a project portfolio easy To create the page it would be enough to type in very carefully without mistakes the phrase subst Template Festival project ScratchDuino and click the Save page button As a result the portfolio of the project will be deployed Project ScratchDuinoLab gameship Contents hide 1 Name of author s of the project and the reference 5 of person s on the page http http wiki scratchduino com 2 Category party 3 Nomination serving festival project 4 Description of the festival project 5 Link to download the festival project Name of author s of the project and the reference s of person s on the page hittp http wiki scratchduino com ledit Onthe personal page should contain Full Name e Photo is desirable e Links to all festival
36. on Criteria To Choose the Best Participants of the Festival number and quality of the projects submitted number and quality of the discussions held by the participant on the pro jects of other people PAR 0 ScratchDuino m 5 The Festival Schedule 5 1 The project portfolio is to be placed at http wiki scratchduino com by oo ooo o 20 5 2 The list of the best participants mentioning their awards is to be published at the homepage of the Festival website on February 7 International Day of Robotics 6 Awards for the Participants of the Festival 6 1 All the participants shall get the electronic certificates 6 2 Based on the rating of their projects the PARTICIPANTS LAUREATES and WINNERS of the Festival shall be chosen ranked by educational level within the nominations User Manual Elena A Vostrikova Cand Sc Education Chief of Education Development Dept at Additional Vocational Training Institute Novokuznetsk elena vostrikova scratchduino com Leonid S Zakharov programming engineer with Kemerovo Region Department at the Russian Ministry of Interior Novokuznetsk Ekaterina A Lvova engineering team leader of Project ScratchDuino St Petersburg ekaterina lvova scratchduino com ScratchDuino Lab Translation by Elena Tolstyakova Passed for printing XX XX 2015 1000 copies JSC Tyrnet Reprographics Center Medikov pr 5 7 St Petersburg 197022 Russia
37. or To calibrate a temperature sensor we are going to measure the temperature of water being continuously heated up and we put the readings taken from a thermometer and from a sensor panel into Table 3 Make a graphical plot based on the data of the table Fig 16 Table 3 Relation between the Values Taken from the Attachable Temperature Sensor and the Household Thermometer ED MOMETD 5 10 15 20 25 30 35 40 45 50 rfpaAVCbi aTuMK Temne A 2 2 4 3 6 7 11 1 13 7 15 8 17 9 20 2 22 5 paTypbi ea The trend line approximation of the function shows that the relation between the values taken from the attachable temperature sensor and from the house hold thermometer is linear and can be expressed by Formula 2 y 0 4497x 0 4165 2 PAR gt 2 ScratchDuino M Relation of the temperature of the water and the sensor meterage 11 13 15 17 19 21 23 25 2 29 31 33 35 3 39 41 43 45 4 49 51 Fig 16 The relation between the data obtained from the attachable temperature sensor and from the household thermometer For a whole host of projects not only direct but also an inverse dependency of the said meterages can be reguired To that effect just derive the inverse rela tionship expressing x by y x 2 2237y 0 9261 3 research performed using the ScratchDuino Lab The measurements can be made by different meters and following different methods The measure ment errors also c
38. oth sprites the temperature Scale ranging O to 50 and the Red Arrow Fig 38 Sprite2 Spnte3 Fig 38 Sprites for the project 35 35 35 27 92 26 39 30 30 23 99 30 Fig 39 Three views of the screen showing the results of the project You can see a dynamic change of the measured temperature of the ambience We are going to make two scripts for Sprite 2 Scale a standard stop on press ing the space bar while on launching the project on pressing the up arrow key the Scale is placed in the bottom left corner of the Stage Fig 40 i PAR 2 ScratchDuino ka when space key pressed stop all when Up arrow key pressed set y to i set x to Fig 40 Script for the sprite Scale Explanations on the formula for the Red Arrow 1 Express one degree of the scale in pixels For that measure the scale in pixels and divide this value by 50 Set the mouse pointer at a zero value of the Scale the bottom left corner Notice the numeric value at the Info Panel In our case it is 175 On pointing at the maximal value of the Scale notice the co ordinate 175 Therefore the value of a move by one degree can be calculated by the formula 175 175 50 7 It is the scale interval in pixels to set Red Ar row coordinates in Fig 39 2 For the dependency of the sensor meterage on the thermometer readings use Formula 2 derived before x 2 2237y 0 9261 Apply these coefficients to set the Re
39. ovokuznetsk Russia School http ipknk ru municipal autonomous educational insti tution of additional education Training Institute Position department manager My contribution to the project ScratchDuino Project ScratchDuinoLab gameship My discussion of creative projects of other members of the ScratchDuino community null Category Community members ScratchDuino 14 Click the Save page button For the sake of security the system will ask you to enter a codeword Fig 60 Type it in and click the button Save page again Your edit includes new external links To help protect against automated spam please answer the question that appears below more info Are you robot NO Fig 60 A check to ensure that the portal is addressed by a human and not by a bot i PAR 2 ScratchDuino ki On saving the changes a standard page will be your very own and individual User page Discussion User Elena Vostrikova City Novokuznetsk Russia School municipal autonomous educational institution of additional education Training Institute Position department manager My contribution to the project ScratchDuino Project ScratchDuinoLab gameship My discussion of creative projects of other members of the community ScratchDuino Elena d d Vostnkova null Category Community members ScratchDuino Fig 61 Your page with personal content Click on the category Community members Scratch
40. participant The discussion is always a dialogue one person puts questions and another person answers If somebody has left a question for you at the Discussion tab Fig 65 or there are criticisms or ideas offered to make your project better it is considered a good practice to thank for the question and give a detailed an swer to agree with a criticism or retort against it to consider and accept de cline the suggestions Page Discussion Editing Talk Project ScratchDuinoLab gameship Fig 65 The Discussion tab at the page of project portfolio To not reduce the discussion to just a mutual exchange of emoticons or rather meaningless sentences like Great or Cool we would suggest a 3 2 1 strategy It means that you have to put THREE questions give TWO criticisms and offer ONE improvement An example of a discussion following such strate gy is shown in Fig 67 On completing your message click the Your signature and timestamp button You will see a character string Then click the Save the page button You should be nice and polite with the people especially as you are a perfect stranger for them When discussing a project avoid the harsh phrases like Your stuff is nonsense in favour of something like This idea needs certain refinement It is not easy to start developing a worthy project at once and it is important to encourage the newbies A friendly word can lend them wings 47 i
41. ra ScratchDuino M Editing Talk Project ScratchDuinoLab gameship You have followed a link to a page that does not exist yet To create the page start typing in the box below see the help page for more info If you are here by mistake click your browser s back button B 7 JAb A jHello Elena 22 s I liked your game The truth is I can not go beyond the second level Your signature with timestamp My guestions How do you come up with this game i You do it for a long time Which editor you painted background of the game and the characters Remarks Life is not drawn exactly lt I do not like black cross at the end of the game suggestions It would be good to choose the level of play Although I know it s hard to doubt Waiting for your new games Fig 66 An example of a discussion page in Editing mode You might begin your questions with e When How Where Why e ls it right to believe that e Whatif e ls it possible to e At which line of the script e etc The advisable introductory phrases for your comments might be as follows e It would be better if e Onclicking point to a mistake that the author has not noticed e t sa pity that is missing e etc You should make your suggestions as if you are in the stead of the author There is always a way of getting the project better We are looking for the best solutions together so any useful idea
42. riek or a clap of your hands the Dancer hops and returns to initial position in 3 seconds if the noise level in the room is greater than 24 all the way for example some music is playing the Dancer still returns to initial position in 3 se conds to have a rest and then hops again the script stops on pressing the space bar of the keyboard Implementation Knowing the value at which the sound sensor reacts to a loud sound a clap you can choose the value to be put into the condition box The solution is to change the costume of one sprite depending on the result of the check Fig 32 shows that on changing the sensor value greater than 24 the costume is changed switch to costume ballerina b if sound sensor value switch to costume ballerina d wait 3 secs Fig 32 The script and the result of its performance The effect of a hop is achieved by changing the center of the second costume Fig 33 r S amp MN i x 11 y 21 direction 90 Scripts Costumes Sounds Paint Import Camera part ballerina b 384135 5 KB S 7 amp 0 0 Edit Copy X NITIA SZ 0 n BO wala ots gt ballerina d AEA a E 438x212 8 KB H an Seeeeuge gen Edit Copy 239 58 set caste conte Cancel Fig 33 Location of the new center for the costume ballerina d i PAR gt 2 ScratchDuino ki Theme Show Your Magnitude Requirements
43. ript for the sprite Scale Explanations on the formula in the script for the sprite Red Arrow place the Arrow closer to the Scale picture use variable u for the measured voltage place the Arrow at the y axis according to the variable value show the variable when space key pressed stop all when Up arrow key pressed set x to forever set wu to resistance A sensor value 4 74 set y to 17 A T 174 show variable u Fig 46 Script for the sprite Red Arrow Test the Voltage Divisor Measure the battery voltage as shown in Fig 42 The dynamic changes of the value will be displayed Note Using this device you can measure a voltage of 0 to 4V However your meterage is not going to be very precise At the same time measuring a volt age of Oto 4Vis not difficult as no divisor is needed it is enough to connect a power source of up to 4V to the black and the red clips It is important to make the calibration following the above mentioned methods and make a separate script i LO ScratchDuino Promoting the Community of the Like Minded Each lucky owner of ScratchDuino Robokit project constructor be it a teacher or parents with time starts to feel some disappointment what is next As a rule their ideas of creating new projects quickly come to an end However if there is a place where you can show off your projects and get them comment ed or watch the ready projects of other people your crea
44. room Reception Doctor s Stair Escape testing theatre Canteen room office ways stairways Emergency aid Stock room ka KIA E room kisud E Library ti E Lecture halls Fig 15 Recommended luminance at working places and the confidence range of ScratchDuino Lab light sensor PAR 0 ScratchDuino ja Calibration of Sound Sensor The measurements are made in a room at complete silence In this case the sensor indicates the value 23 The natural sounds voice music etc corre spond to a range of 60 80 A maximum of 100 can be achieved when you make a vigorous breathing out into the sensor To identify the functional dependence of the sensor sound in decibels dB you need to use a digital phonometer Methods of measurements and the derivation of a formula are similar to those described for the calibration of light and temperature sensors The Values Taken by Adjustable Resistor Slider At the leftmost position it reads as 0 at the rightmost position as 100 The Values Taken by Black Button On pressing this button its value toggles from false to true and vice versa The Values Taken by Coloured Buttons On pressing any of these buttons its value toggles from O to 100 and vice versa All the buttons have a usual group of contacts a couple of fixed contacts and a movable contact between them At the movable contact a rod is fastened that protrudes out of the case of the circuit board Calibration of Temperature Sens
45. select the Metacity WM 10 i PAR 2 ScratchDuino Connecting ScratchDuino Lab and Selecting a Port in Scratch Launch Scratch from the GUI or from the console In the Scratch window that pops up select the blue block Sensing then right click on the block Sensor and select show ScratchBoard watcher Fig 7 sensor Di help show ScratchBoard watcher enable remote sensor connections Fig 7 Right click menu of the block sensor Then right click on the grey background and choose select serial usb port Fig 8 Fig 8 Right click menu of the ScratchBoard Select dev ttyACMO in the drop down list i PAR gt 2 ScratchDuino n Mac OS Family To install the software for Mac OS it is possible to use the CD shipped with ScratchDuino Lab or to download the installation files from the file server of the project On the CD the installation file is in the mac Scratch dmg M folger Mac The link to download from the file server is http files scratchduino ru Software Mac Scratch dmg To install the software just open Scratch dmg and drag the Scratch folder into the Application folder Fig 9 Fig 9 The window looks like that Open Application in a file manager go to the Scratch folder and run the exe cutable Fig 10 Y JA Scratch gt 7 Help license txt gt locale H 7 Media gt Projects 7 README txt d Scratch image M Scratch ini fA Skvne Fig
46. tivity gets a new im petus The Internet communities are just about that and they resemble the thematic clubs where there are no differences caused by the age or the level of skills For Project ScratchDuino the place for such socializing is the Wiki portal wiki scratchduino com In this section we consider the recommendations for new members of this community Wiki Portal of Project ScratchDuino Signing up 1 Navigate to http wiki scratchduino com and and in the top right corner find a link Log in create account Fig 47 5 wiki scratchduino com wiki Main Page De Se Log in create account Fig 47 Signing up at http wiki scratchduino com 2 The login page opens where you are going to enter your login and password later on For the first time select the link Create an account Fig 48 Log in create account Log in Don t have an account Create an account You must have cookies enabled to log in to scratchduino Username Password Remember my login on this browser for a maximum of 180 days Log in Forgotten your login details Fig 48 Login page with the link to get to creating of an account 3 Fill in the information about yourself Keep in mind that the login of your ac count is going to represent you at the website By this reason choose the login as your nickname that makes you recognizable For example if your name is i PAR gt 2 ScratchDuino m John Doe your login can be John Do
47. two Actors are the Recorder and the Bat the Recorder draws a red line which is the sound magnitude the Bat hovers somewhere hears the sounds and remembers the maximal value of the Sound variable displaying it in a cloud Fig 34 the value of the move is varied by the Slider on pressing the space bar all the scripts stop running the picture disap pears and the Recorder is sent to initial position bottom left corner of the Stage ae max EET kd 72 07 Fig 34 The magnitude shown when the song Ohne dich Rammstein is played The maximal magnitude is 72 Implementation Create two sprites Fig 35 on your own make a red square which is the Recorder take the Bat from the collection Sprite1 Sprite2 Fig 35 Sprites for the project Show Your Magnitude i PAR 2 ScratchDuino m As per our study of the sound sensor see above its minimal value at silence is 23 Therefore you need to subtract this number so that the magnitude in the field would be zero The sensitivity range is 23 to 93 that is approximately 70 units while the Stage to show the magnitude is 360 pixel high Dividing 360 by 70 we obtain the multiplier for the magnitude to fit into the Stage 150 is the value of the step to move the picture downwards along the y axis as the coordinate center of the sprite a point of 0 0 coordinates is in the middle of the Stage T
48. want to install along with the Arduino IDE the Arduino developer s environment as well m To work successfully with ScratchDuino Lab under Windows it is The software can be obtained from the CD shipped with ScratchDuino Lab the file server of the project http files scratchduino ru the official developers website Installation from the CD or from the File Server of the Project How to install Scratch run the installation file windows Scratchduino exe from CD or or download and run the installation file from the file server The Installation Wizard will ask you to choose a language choose English then press Ox Next and Install In a few seconds two icons will appear at the desktop or in the application list of the Start button depending on individual setup Scratch and Scratchduino Robot Fig 1 Fig 1 The icons to appear ed To launch click the Cat icon To operate Scratchduino Lab the Scratch software is intend i LO ScratchDuino How to install the driver run the executable windows ScratchDuino _ drivers exe from CD or download it from the file server and run In the dialog boxes of the Installation Wizard click Yes then Next Install and Finish JE 7 jun Completing the Device Driver Installation Wizard The drivers were successfully installed on this computer You can now connect your device to this computer If your device came wit
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