OLIMEXINO-85 Manual
Contents
1. OLIMEXINO 5 Arduino compatible board USER S MANUAL Document revision D July 2015 Designed by OLIMEX Ltd 2013 lead free boards produced by Olimex LTD are ROHS compliant OLIMEXO 2015 85 user s manual DISCLAIMER 2015 Olimex Ltd OlimexG logo and combinations thereof are registered trademarks of Olimex Ltd Other product names may be trademarks of others and the rights belong to their respective owners The information in this document is provided in connection with Olimex products No license express or implied or otherwise to any intellectual property right is granted by this document or in connection with the sale of Olimex products This work is licensed under the Creative Commons Attribution ShareAlike 3 0 Unported License To view a copy of this license visit http www creativecommons org licenses by sa 3 0 This hardware design by Olimex LTD is licensed under a Creative Commons Attribution ShareAlike 3 0 Unported License The software developed by Olimex LTD is released under GPL The software developed by Micronucleus Little Wire and Digispark is released under their respective licenses It is possible that the pictures in this manual differ from the latest revision of the board The product described in this document is subject to continuous development and improvements All particulars of the product and its use contained in this document are given by OLIMEX in good2. Extended fuse should be OxFE this value enables self programming and keeps the serial programming enabled High fuse should be OxDD this values sets PLL Clock start up time PWRDWN RESET 1K CK 14 CK 64 ms Low fuse should be OxE1 this values sets brown out detection at VCC 2 7 V 2 If you use AVRDude then you need to pass the fuse settings as command line Ifuse w OxE1 m U hfuse w 0xDD m U efuse w 0xFE m Usually the command to program the board via AVRDude looks like avrdude c stk500v2 P com26 p t85 U flash w Olimexino 85_ProductionTest_v_1_0_0 hex U lfuse w 0xE1 m U hfuse w 0xDD m U efuse w 0xFE m where stk500v2 is the programmer s interface abbreviation as per AVRdude s documentation t85 is the abriviation of the name of the target microcontroller as per AVRdude s documentation Olimexino 85 ProductionTest v 2 0 1 hex is the name of our binary code Page 10 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual CHAPTER 3 OLIMEXINO 85 BOARD DESCRIPTION 3 Introduction to the chapter Here you get acquainted with the main parts of the board Note the names used on the board might differ from the names used below to describe them For the actual names check the OLIMEXINO 85 ASM board itself 3 1 Layout top view The picture below shows top layout of the initial revision of OLIMEXINO 85 ASM POWER LED USB device connector type B ATtiny85 RESET BUTTON USER LED Page 11 of 23 OLIMEXO 2015 OLIMEXINO 8
3. Include the authorization number on this letter and on the outside of the shipping box Please note It is your responsibility to ensure that returned goods reach us Please use a reliable form of shipping If we do not receive your package we will not be held liable Shipping and handling charges are not refundable We are not responsible for any shipping charges of merchandise being returned to us or returning working items to you The full text might be found at https www olimex com wiki GTC Warranty for future reference Page 23 of 23
4. In this chapter are presented the connectors that can be found on the board all together with their pinout and notes about them Jumpers functions are described Notes and info on specific peripherals are presented Notes regarding the interfaces are given 5 1 USB connector The USB is usually used to establish connection with the Digispark Arduino IDE The user s code is transferred to the board via the USB Note that the connection to the IDE is possible only a few seconds after powering the OLIMEXINO 85 This is because the bootloader code that establishes the connection is active for a short period of time after that period the board starts executing user s code This means you would need to power down the board every time before code upload The data lines D and D are multiplexed with signals named 3 and 4 of the GPIO connector This means you can use 3 and 4 in your code which executes after the bootloader phase If you have USB cable plugged GPIO pins with names 3 and 4 will not work properly P fl i The connector case is also grounded 5 2 GPIO connector The 8 pin GPIO connector is used to interface additional interfaces with the OLIMEXINO 85 You can use it to connect buttons LEDs and additional components You can use it to control I2C devices and more The connector can provide power and also can be used TO POWER the OLIMEXINO 85 There are 3 GPIOs which ar
5. AVR ATtiny85 microcontroller manufactured by Atmel Corporation USA OLIMEXINO 85 is an open source open hardware project and all documentation is available to the customer 1 1 Features The board has the following set of features note about the difference between the two versions of the board ATtiny85 PU microcontroller with pre loaded micronucleus tiny85 bootloader Programmed via the USB type B connector Tested and working with Digisparks s Arduino distribution Breadbord compatible via the header Two LEDs user programmable and power status Reset button All components already soldered unlike the DIY version Easy to replace components in case of fault e Open hardware board board schematics and layout available for Eagle e Open software board thanks to the Digispark s community effort and the micronucleus project Dimensions 1 275x0 800 32x20 mm 1 2 Target market and purpose of the board boards in the OLIMEXINO family feature a built in bootloader for serial programming without special tools The main usage of the boards is software embedded development without the urge of understanding perfectly the hardware using Arduino or Arduino derived IDE The strong points of the OLIMEXINO 85 the tiny form factor the small consumption the fact that you can program it without special programmer via the USB cable Customers have full access to the technical documentation of the boar
6. OLIMEXINO 85 THE HARDWARE DESIGN OF OLIMEXINO 85 IS INFLUENCED HEAVILY BY THE ORIGINAL DESIGNS OF LITTLE WIRE PROJECT AND DIGISTUMP S DIGIPARK BOARD THE HARDWARE DESIGN IS ALSO INSPIRED BY ALL OTHER ATTINY85 BOOTLOADER PROJECTS RELEASED PREVIOUSLY THE FIRMWARE USES THE VID PID COUPLE DONATED BY DIGISTUMP TO THE COMMUNITY OLIMEXINO 85 WOULD NOT HAVE BEEN POSSIBLE WITHOUT THE EXISTENCE OF MICRONUCLEUS AND DIGISPARK PROJECTS Page 2 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual Table of Contents iem aiunt ere 2 CHAPTER 1 OVERVIEW 5 T Introdu ction eiiieaenii anaia anana aaa aaaeaii 5 LA Ei E E O E EE AOE ET E EE N EET 5 1 2 Target market and purpose of the DOard csccccccssssssssssssssssssssssssssssssssssssssssssssssssssssseees 5 13 Board aa eaaa 6 1 4 Board version used in the 6 L5 OEganbtatibi loui in DE Cu 6 CHAPTER 2 SETTING UP THE OLIMEXINO 85 8 2 Introduction to the Chapter cccccscssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssses 8 CHAPTER 4 ATMEL AVR ATTINVYOS S eere eee eee noon 13 4 Introduction to the chapter eeicci
7. connector and battery charger uses mini USB connector OLIMEXINO 85S the smallest ATTiny85 board that we manufacture 0 665x0 500 inch uses micro USB connector and can be powered by a battery SIMON 85 an implementation of the SIMON game to test your memory skill SIMON 85 KIT same as above but available as kit to solder yourself FOSDEM 85 a kit for soldering with penguin shape can be attached to a key chain 1 4 Board version used in the manual Hardware revision B boards and resources were used while writing this document It is possible that they are outdated so it is always recommended to refer to the stand alone schematics available at our web site The hardware revision of your OLIMEXINO 85 is printed on the top under the name of the board 1 5 Organization Each section in this document covers a separate topic organized as follows Chapter 1 is an overview of the board usage and features Chapter 2 provides a guide for quickly setting up the board and software notes Chapter 3 outlines the main parts of the OLIMEXINO 85 Chapter 4 describes the component that is the heart of the board the ATtiny85 and explains the needed connections for external programming via a compatible tool Chapter 5 covers the connector pinout peripherals and jumper description Page 6 of 23 OLIMEXO 2015 85 user s manual Chapter 6 provides the schematics and the dimensions of the board Chap
8. number of examples that show different applications of OLIMEXINO 85 They might be downloaded from the software section of the OLIMEXINO 85 s own web page here https www olimex com Products Duino AVR OLIMEXINO 85 ASM Page 9 of 23 OLIMEXO 2015 85 user s manual 2 6 Reprogramming the ATtiny85 During your work you might accidentally delete the bootloader on the microcontroller or even worse you might burn the ATtiny85 microcontroller In both cases you would need to download the default bootloader to ATtiny85 to be able to connect and program via the Digispark s Arduino Since the OLIMEXINO 85 lacks the required interface you would need jumper wires or your own external socket suitable for the task You might find a table with correct connections and operations required to do in chapter 4 2 of this user s manual The binaries with the bootloader are found in the demo archive that might be downloaded from OLIMEXINO 85 s web page The hex and elf sources placed in the OLIMEXINO 85 firmware folder When you get the files and fix the connections you would need a tool able to upload the bootloader to the ATtiny85 target via your programmer There are two main software environments used 1 Use AVR Atmel Studio or AVRDude to upload respectively the elf or the hex to the target ATtiny85 The elf file contains the proper fuses and configuration bits You have to set them manually if you use the hex file
9. version of OLIMEXINO 85 OLIMEXINO 85 KIT the kit version of OLIMEXINO 85 you would need to first solder it together to be able to use it USB A B CABLE for latest board revisions USB MINI CABLE for board revision A standard cables to attach the board to a personal computer How to purchase You can purchase directly from our online shop or from any of our distributors Note that usually it is faster and cheaper to purchase Olimex products from our distributors List of confirmed Olimex LTD distributors and resellers https www olimex com Distributors Please visit https www olimex com for more info Page 22 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual 7 4 Product support For product support hardware information and error reports mail to document or hardware feedback is welcome Note that we are primarily a hardware company and our software support is limited Please consider reading the paragraph below about the warranty of Olimex products All goods are checked before they are sent out In the unlikely event that goods are faulty they must be returned to OLIMEX at the address listed on your order invoice OLIMEX will not accept goods that have clearly been used more than the amount needed to evaluate their functionality If the goods are found to be in working condition and the lack of functionality is a result of lack of knowledge on the customers part no refund will
10. 5 user s manual 3 2 Layout bottom view The bottom of the board doesn t contain any active or passive elements It is the place where most soldering is done and you should be careful for the surface you place the board on to avoid accidental short circuits ad ARV 5 lt OLIMEX m a M Sz a RST_E RoHS Compliant pr E y LM gt lt c Mr Li gt Page 12 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual CHAPTER 4 ATMEL AVR ATTINY85 4 Introduction to the chapter In this chapter is located the information about the heart of OLIMEXINO 85 its microcontroller The information is a modified version of the datasheet provided by its manufacturers 4 1 The microcontroller The list of features for ATtiny85 is listed below High Performance Low Power AVR 8 Bit Microcontroller Advanced RISC Architecture 120 Powerful Instructions Most Single Clock Cycle Execution 32x8General Purpose Working Registers W Fully Static Operation Non volatile Program and Data Memories 2 4 8K Bytes of In System Programmable Program Memory Flash B Endurance 10 000 Write Erase Cycles 128 256 512 Bytes In System Programmable EEPROM Endurance 100 000 Write Erase Cycles 128 256 512 Bytes Internal SRAM Programming Lock for Self Programming Flash Program and EEPROM Data Security Peripheral Features 8 bit Timer Counter with Prescaler and Two PWM Chann
11. License To view a copy of this license visit http creativecommons org licenses by sa 3 0 If you are looking for a schematic of an older revision of the board and it isn t available at our web site you may request it by the support e mail Page 18 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual R6 co NA gt PBO MOSI DI SDAVAINO OCOA OC1A AREF PCINTO D1 PI 1N4148 DO35 1 10uF 16V 105C 5x11mm RM2 PB1 MISO DO AIN1 OCOB OC1A PCINT1 PB2 SCK USCK SCL ADC1 TO INTO PCINT2 R2 1 5k 0 125W R1 1 5k 0 125W PB3 PCINT3 XTAL1 CLKI OC1B ADC3 g dern 25 PB4 PCINT4 XTAL2 CLKO OC1B ADC2 B e PB5 PCINTS 4RESET ADCO DW BAS ATtiny85 20PU DIL 8 HR1x8 PWR 2 X i ED ammiGreen R3 1 5k 0 125W R4 22R 0 125W PB3 R5 22R 0 125W a a o O 72 STAT RST Oo O a i LED 3mm Red 8 8 OLIMEXINO 85 board revision B OLIMEX LTD BULGARIA PLOVIDV 2014 lt lt i 2 2 https www olimex com Page 19 of 23 OLIMEXO 2015 85 user s manual 6 2 Physical dimensions Note that all dimensions are in inches Q 1inch T U E c oe gt gt o 1 27inch The highest element on the board is capacitor C1 with 0 5 inches of height includes the PCB height Page 20 of 23 OLIMEXO 2015 OLIMEXINO 85 user s m
12. anual CHAPTER 7 REVISION HISTORY AND SUPPORT 7 Introduction to the chapter In this chapter you will find the current and the previous version of the document you are reading Also the web page for your device is listed Be sure to check it after a purchase for the latest available updates and examples 7 1 Document revision Revision date Changes Modified page A 27 11 13 Initial manual release Adjusted manual to fit the changes of the USB connector uL pue C 02 07 15 regarding the bootloader Multiple settings 7 2 Board revision Remember to check the schematics and the board design files to compare the differences Initial release of the board 1 USB mini connector was changed to USB type B 2 Added RST E jumper in open position by default instead of removing the RST pin from the extension 3 R6 NA pads are now added to the RST line just in case a resistor is needed Page 21 Pea 23 OLIMEXO 2015 85 user s manual 7 3 Useful web links and purchase codes The web pages you can visit for more information about your device are https www olimex com Products Duino AVR OLIMEXINO 85 ASM https www olimex com Products Duino AVR OLIMEXINO 85 KIT A place for general questions FAQ or friendly talk https www olimex com forum You may may join our IRC channel olimex freenode net http webchat freenode net channels olimex ORDER CODES OLIMEXINO 85 ASM the assembled
13. at is the case you would need USB mini cable Recommended items Breadboard for solderless access to GPIO and VCC GND pins via jumper wires Jumper wires wires for easier interfacing of different pins AVR compatible programmer to restore the bootloader program in case you erease it External power supply unit 3 6V DC for stand alone power no mini USB Some of the above suggested items can be purchased from Olimex for instance USB A B CABLE or USB MINI CABLE standard cables depending on the connector BREADBOARD 1 with 0 1 step that allows easy plugging of the OLIMEXINO 85 JUMPER WIRES wires with male and or female connectors for use with breadboards AVR ISP500 compatible programmer with 6 pin and 10 pin ICSP connectors AVR ISP MK2 compatible programmer with 10 pin ICSP connector Page 8 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual 2 3 Powering the board The usual way to power OLIMEXINO 85 would be to connect it to your computer via USB cable The OLIMEXINO 85 has a USB type B connector or mini USB connector older revisions have the smaller one mounted so make sure your cable is suitable The other way to power OLIMEXINO 85 supply 2 7VDC to 5VDC to the VCC pin of the header Connect the supply s ground pin to the board s GND pin 2 4 Connecting to the Arduino IDE The ATtiny85 microcontroller of the OLIMEXINO 85 comes pre programmed with a bootloader firmware This firmware allows it to ac
14. be made but the goods will be returned to the user at their expense All returns must be authorized by an RMA Number Email support olimex com for authorization number before shipping back any merchandise Please include your name phone number and order number in your email request Returns for any unaffected development board programmer tools and cables permitted within 7 days from the date of receipt of merchandise After such time all sales are considered final Returns of incorrect ordered items are allowed subject to a 10 restocking fee What is unaffected If you hooked it to power you affected it To be clear this includes items that have been soldered to or have had their firmware changed Because of the nature of the products we deal with prototyping electronic tools we cannot allow returns of items that have been programmed powered up or otherwise changed post shipment from our warehouse All returned merchandise must be in its original mint and clean condition Returns on damaged scratched programmed burnt or otherwise played with merchandise will not be accepted All returns must include all the factory accessories which come with the item This includes any In Circuit Serial Programming cables anti static packing boxes etc With your return enclose your Also include a brief letter of explanation of why the merchandise is being returned and state your request for either a refund or an exchange
15. d The software is released under General Purpose License and the board is considered open hardware all schematics and board design files are available to the customer under the Creative Commons Attribution ShareAlike 3 0 Unported License Page 5 of 23 OLIMEXO 2015 85 user s manual 1 3 Board variants There are two major board variants named OLIMEXINO 85 ASM and OLIMEXINO 85 KIT The difference between the two versions is that the KIT one comes with no components soldered The already soldered version is called ASM short from assembled It is possible that the board or the kit you own has either mini USB connector or USB type B connector This might alter the recommended cable Initially we used to mount mini USB connector since we believed most people already have some sort of mini USB cable which would reduce the end cost for the customer However the mini USB was much harder to place and solder than the rest of the components and many customers found it frustrating We decided to place USB type B for newer revisions which is much easier to solder This document is suitable for both boards However for more precise soldering instructions regarding the KIT variant it is recommended to refer to the soldering guide which is a stand alone document and might be downloaded from the KIT s web page Other similar boards manufactured by Olimex OLIMEXINO 85BC a board similar to OLIMEXINO 85 ASM that has a battery
16. e always available and 2 GPIOs that become available when the USB is not in use Page 16 of 23 OLIMEXO 2015 85 user s manual GPIO 1 connector 5 Eo qu o 1 5 3 Jumper description The board has no hardware jumpers 5 4 Additional hardware components The components below are mounted on OLIMEXINO 85 but are not discussed above They are listed here for completeness Reset button used to reset the board PWR LED green LED that turns on upon powering the board STAT LED programmable general purpose red LED Page 17 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual CHAPTER 6 SCHEMATICS 6 Introduction to the chapter In this chapter is located information about the schematics describing logically and physically OLIMEXINO 85 6 1 Eagle schematic Search able OLIMEXINO 85 schematics and sources may be found at the device s web page at our GitHub repository here https github com OLIMEX OLIMEXINO 85 tree master HARDWARE OLIMEXINO 85 ASM An image of the schematic might be found on the next manual page for quicker reference Our design software of choice is usually Eagle by Cad Soft version 4 16r2 However the files should be compatible with the latest Eagle available Cad Soft offers a trial version of their software that allows you to inspect schematics and board files without being able to modify them This work is licensed under the Creative Commons Attribution ShareAlike 3 0 Unported
17. els 8 bit High Speed Timer Counter with Separate Prescaler m 2High Frequency PWM Outputs with Separate Output Compare Registers W Programmable Dead Time Generator USI Universal Serial Interface with Start Condition Detector m 10 bit ADC 4 Single Ended Channels 2 Differential ADC Channel Pairs with Programmable Gain 1x 20x Temperature Measurement W Programmable Watchdog Timer with Separate On chip Oscillator W On chip Analog Comparator Special Microcontroller Features debugWIRE On chip Debug System In System Programmable via SPI Port External and Internal Interrupt Sources Low Power Idle ADC Noise Reduction and Power down Modes Enhanced Power on Reset Circuit Programmable Brown out Detection Circuit Internal Calibrated Oscillator I O and Packages W Six Programmable I O Lines 8 pin PDIP 8 pin SOIC 20 pad QFN MLF and 8 pin TSSOP only ATtiny45 V Operating Voltage Page 13 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual 1 8 5 5V for ATtiny25V 45V 85V 2 7 5 5 for ATtiny25 45 85 Speed Grade Altiny25V 45V 85V 0 4 MHz 1 8 5 5V 10 MHz 2 7 5 5 ATtiny25 45 85 0 10 MHz 2 7 5 5V 20 MHz 4 5 5 5V Industrial Temperature Range Low Power Consumption W Active Mode m 1 MHz 1 8V 300 pA Power down Mode 0 1 pAat 1 8V More information can be found at Atmel s web site at the following web address http www atmel com Images Atmel 2586 AV R 8 bit Microcontroller ATti
18. ess c etta eon 13 4 1 TENIENDO 13 CHAPTER 5 CONNECTORS AND 16 5 Introduction to the Chapter cccccccsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssscesscsssess 16 CHAPTER 7 REVISION HISTORY AND 0 21 7 Introduction to the chapter Dinar LER DE Fono 21 2 1 VA 21 TEOM O1 Beene sem nee EN E TEE 21 Page 3 of 23 OLIMEXO 2015 85 user s manual 7 3 Useful web links and purchase 22 74 Prodict SUpDOEL 062205920000 1000000090000 0 0000000000 Ea EE tants 23 Page 4 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual CHAPTER 1 OVERVIEW 1 Introduction to the chapter Thank you for choosing the OLIMEXINO 85 from Olimex This document provides a user s guide for OLIMEXINO 85 As an overview this chapter gives the scope of this document and lists the board s features The document s organization is then detailed The OLIMEXINO 85 development board enables code development of applications running on the
19. faith However all warranties implied or expressed including but not limited to implied warranties of merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of the product This evaluation board kit is intended for use for engineering development demonstration or evaluation purposes only and is not considered by OLIMEX to be a finished end product fit for general consumer use Persons handling the product must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards Olimex currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Olimex assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein THERE IS NO WARRANTY FOR THE DESIGN MATERIALS AND THE COMPONENTS USED TO CREATE OLIMEXINO 85 THEY ARE CONSIDERED SUITABLE ONLY FOR
20. ny25 ATtiny45 ATtiny85 Datasheet pdf 4 2 Serial programming of the microcontroller The table below details the proper connections needed to establish between ICSP programmer and the board s microcontroller ATtiny85 or to the GPIO connector e g you don t need to remove the microcontroller from its plastic socket you can lead the proper signals to the GPIO connector of ATtiny85 To establish the connection below you would need at least 6 jumper wires male female If you connect the ICSP programmer tool to the GPIOs ignore the TINY85 column in the table If you connect the ICSP programmer tool to the TINY85 directly or via a socket ignore the GPIO connector name column Cable connection 6 pin ICSP TINY85 GPIO connector name How to determine first pin of the above connectors and interfaces the ICSP programmer should have a mark on the connector for its first pin or the cable leading to the connector would have a different color on the side of first pin the TINY85 has a dot that shows which pin is the first one the GPIO connector has the names of the pins printed on the top of the board If your AVR programmer has only 10 pin ICSP you can convert it to 6 pin ICSP following the schematic below Page 14 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual FROM PROGRAMMER TO TARGET Page 15 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual CHAPTER 5 CONNECTORS AND PINOUT 5 Introduction to the chapter
21. t as a USB device and new software can be uploaded by via a USB cable by a modified version of the Arduino IDE The OLIMEXINO 85 runs the Micronucleus bootloader an open source community project The project repository can be found here https github com micronucleus micronucleus This bootloader is also used by the Digispark board the board that inspired OLIMEXINO 85 OLIMEXINO 85 uses the VID PID pair that the creator of the Digispark Digistump donated to the community For complete and latest instructions on how to use connect to Arduino IDE please visit http digistump com wiki digispark tutorials connecting There are also good instructions on how to select the proper board so you can upload programs It is important that due to the small size of OLIMEXINO 85 it has a specific set of settings and a special algorithm of uploading OLIMEXINO 85 is recognized as the default board that is selected by default after the installation of the Digistump support in the Arduino Board Manager That is Digispark Default 16 5mhz under Tools Board When you have a program ready to upload you need to disconnect the board from the mini USB Then press the upload button in the Arduino IDE interface and you will be asked to connect the board in the next 60 seconds After you connect the OLIMEXINO 85 don t press anything and just wait until the code is uploaded 2 5 Examples and libraries tested by OLIMEX There are
22. ter 7 contains the revision history useful links and support information Page 7 of 23 OLIMEXO 2015 OLIMEXINO 85 user s manual CHAPTER 2 SETTING UP THE OLIMEXINO 85 BOARD 2 Introduction to the chapter This section helps you set up the OLIMEXINO 85 development board for the first time Please consider first the electrostatic warning to avoid damaging the board then discover the hardware and software required to operate the board The procedure to power up the board is given and a description of the default board behavior is detailed 2 1 Electrostatic warning OLIMEXINO 85 is shipped in a protective anti static package The board should not get exposed to high electrostatic potentials A grounding strap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element without such a strap 2 2 Requirements In order to set up the OLIMEXINO 85 optimally one or more additional items may be used They might be generally placed in two categories Required items that are needed in order to achieve minimum functionality Recommended items that are good to have in order to be able to interact with the most important of the features of the board Required items USB type A to USB type B to connect to a personal computer used for powering the board and uploading new programs note that older revisions of the board might have only USB mini connector if th
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