USER`S MANUAL - produktinfo.conrad.com
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1. SHIELD EKG EMG bio feedback shied USER S MANUAL All boards produced by Olimex LTD are ROHS compliant lead free Revision D April 2013 Designed by OLIMEX Ltd 2011 OLIMEXO 2012 SHIELD EKG EMG DISCLAIMER O 2013 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 is released under GPL 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 good 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 on2. EKG EMG system without owning a DUNIO board the best choice would be our board OLIMEXINO 328 This is the web page for the board https www olimex com Products Duino AVR OLIMEXINO 328 Page 7 of 20 OLIMEXO 2012 SHIELD EKG EMG 2 3 Powering up the board The SHIELD EKG EMG board is powered by the host board it is mounted on There is the option to be powered either by 3 3V or 5 0V host board configured easily by a jumper On powering the board PWR LED must become RED 2 4 Arduino Maple Pinguino note What is Arduino Arduino is an open source electronics prototyping platform designed to make the process of using electronics in multidisciplinary projects more accessible The hardware consists of a simple open hardware design for the Arduino board with an Atmel AVR processor and on board I O support The software consists of a standard programming language and the boot loader that runs on the board Arduino hardware is programmed using a Wiring based language syntax libraries similar to C with some simplifications and modifications and a Processing based Integrated Development Environment IDE The project began in Ivrea Italy in 2005 aiming to make a device for controlling student built interaction design projects less expensively than other prototyping systems available at the time As of February 2010 more than 120 000 Arduino boards had been shipped Founders Massimo Banzi and David Cuartielles named the project after
3. HR1x3 3 3V Close 5V Open x voca RI R25 R24 CAL SIG x 1M 196 nfo ls un CAL voltage divider 1 20000 CAL_SIG should be PWM output aisis Wia power annie tecine Square wave Calibration Signal ZA PWR HRIx2Open SVp p 10 gt 2504Vp p 10 Fspareylemtiobasrome ou 5 GYX SD TC0805SURK RED When 3 3V power supply is used E BZV55C6V2 AIN 3 3Vp p 10 gt 165pVp p 10 R29 l p H 2K 1 4 mE E C V REF E SHIELD EKG EMG revision B Designed by OLIMEX LTD 2012 VOCA http www olimex com dev ii VOCA R19 c 330R CAL SIG 3L 3v REF ADC em IC2A t amp 8 S vss s Moe NC M m ES 15V REF P NI El TM 3V REF ADC amp i amp t 1 m e D 5 E 2 r i amp lt V REF V REF TLEN OHG SVITANT C ESRID 2Schm TRGCATEKBROC LDIIIIIl E amp Lzlllllll ARDUINO SH PLATFORM 3rd order Besselworth filter fc 40Hz G R17 R16 1 3 56 Instrumental Amplifier High Pass filter OAmp with regulated gain High Pass filter 1 pole G 1 R12 TR1 R11 1 pole IC1A MCP607 I SN R30 OR boad mounted R31 OR boad mounted C9 1uF X5R 10 1uF X5R 10 R10 Rif 1m1 awed 31 1k 1 2k 196 V REF V REF V REF V REF C13 JL 40nE X7R 10 IC1B MCP607 l SN R14 R15 ES a eki 330k 196 R16 c14 3 9k 1 4OnF X7R 10 CASI sese cre ie V REF V REF Page 18 of 20 OLIMEXO
4. must pass before they can be used on humans However none of the devices built from these designs have been tested according to these guidelines because of the costs involved Therefore a device based on any of these designs may not be used for medical purposes as no medical claims are made NOTE THAT CONNECTING A DEVICE VIA ELECTRODES TO HUMANS OR ANIMALS IS POTENTIALLY HAZARDOUS AND MAY RESULT IN ELECTRIC SHOCK AND OR SEIZURE Page 3 of 20 OLIMEXO 2012 SHIELD EKG EMG Table of Contents DISCLAIMER one vacates CU rer O Ua OREL E RENTUR cane HEP EVE E EUR CR EXER E ETE RARE TRE 2 SECTION LOVERVIEW iissicedeveciseesisccicinctecstecdiasigcisteteateaaaeicesdaivctaacieteiaeks 5 DL SCOP EE E E EE EE 5 12 Feat eS aaaea EA AATA EEO AAIEN 5 Led Similar DOAKS EET TR TTC 5 L4 OrpanizattoDia ditor ea EET rt dete EPI d boni bc e be Eus inre aitaa eoat 6 SECTION 2 SETTING UP THE SHIELD EK GG EM2QG ecce eee eee nn nn 7 2 1 Electr static WaEBIIg noni cup k eene pM CHEESE EE EPOR UK EL PRU DARII S Sasoi SSos Eksa ERE dn ERES 7 2 2 Requirements eese evt cene eS Pe SERERE TRI osoa oeste S Eo vae a HAYE CAS RENE ee Esi eiat 7 2 3 Powering up the DO AR Cassis sessssasccesacectsaeasascvadasscsaseacassousccusssnessacddanssudesdoaassunsdeabesvecocouass 8 2 4 Arduino Maple Pinguino note 1 eee ee esee esset esee eese en etta setas stas etas ta setenta sett na see 8 SECTION 3 SHIELD EKG EMG BOAR
5. 2012 SHIELD EKG EMG 6 2 Physical dimensions As you can see below the dimensions follow the classic Arduino shield pin specification making it compatible with all Olimex Duino boards Note All dimensions are in inches 2 000 OO00O000R o OoO0000000 O All values are in INCHES re re ga SHIELD EKG EMG Rev B Designed by OLIMEX LTD 2011 nooooo nooooo Hooooo nooooo Page 19 of 20 OLIMEXO 2012 SHIELD EKG EMG SECTION 7 REVISION HISTORY 7 1 Document revision Modified Revision Changes a fas Initial creation ss Initial Creation EMEN important note on removing a wire at R6 pads 11 12 from OLIMEXINO 328 Fixed error on page 7 about the LED color Added note on page 12 about possible damage due to lack of experience 7 12 16 Changed schematic with a searchable one Various formatting adjustments Changed disclaimer section to represent the open source nature of the shield 2 15 Added explanation of the cable e patea links o s fA Updated links 7 2 Web page of your device The web page you can visit for more info on your device is https www olimex com Products Duino Shields SHIELD EKG EMG There are examples and libraries available for
6. Arduino IDE Pinguino IDE and Maple IDE 7 3 Ordering info ORDER CODES SHIELD EKG EMG completely assembled and tested OLIMEXINO 328 Arduino based board with ATmega328 fully compatible with SHIELD EKG EMG How to order You can order directly from our online shop or from any of our distributors The list of distributors might be found here https www olimex com Distributors Check our web page https www olimex com for more info Page 20 of 20
7. D DESCRIPTION 10 3 1 Layout D p VIEW cesisassasinceusvabisasunssaeidducoasadeossaseiccnasdnentbuesddnsdeuas coven sitesin esasa 10 3 2 Layout Bottom view ssesseesessossseesossosesossossocesossosscessossoseoessossosssessossoessessossoessessosese 11 SECTION 4 INSTALLATION EXAMPLE oossesssesssecsseossecoseosessossessessose 12 4 1 SHIELD EKG EMG and OLIME XINO0 328 ccccccccsssssccsssccccccccccccccsscccscccccceee 12 SECTION SHA RDWAR Eris scencssatcchessccsnseasuenccausdascvsesavusdeeanes dudes EORR bepE DERI poa CPO 14 5 1 Arduino shield COMMECTOYL cccccccccccssssssssscsscscscssscssscssssssscssscccccccccccccccccccsscssssesccees 14 5 2 Trimmer TR ceiutesciescotescetesttacesoeneltiCetat o Mo Vel ca Pea ea pede a Doo ea a aaa P Uo rede 14 5 3 Jumper description zccsassccssoroseacsocuasconatecoscdvnsecnshodsseacdaresacussdocsdenvasudeeseassvacseresesenedassates 14 5 4 Custom electrode CONMECTION cccccssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssecces 16 SECTION 6 SCHEMSMATIC S ores s iav xU FREE xe EFE E MUR KY DO EE YEN CE PO 17 6 1 Eagle SchemiatiCs oiii ota sena ebbe ouda thai ea lee odas ebbe sb ta Ceo a eed Pe ped uel s UEM qu UN eere ETE bTDE 17 b 2 Physical dimensions iei n es erinnere ER SEXE Ere RR e ep Es EXN E OY Ue EXPE R RU RR a ee Qi ee face 19 SECTION 7 REVISION HISTORY ccccccccsccsscsccccscccccscccccccccccccccccces 20 7 1 Do
8. a local bar named Arduino The name is an Italian masculine first name meaning strong friend The English pronunciation is Hardwin a namesake of Arduino of Ivrea More information could be found at the creators web page http arduino cc and in the Arduino Wiki http en wikipedia org wiki Arduino To make the story short Arduino is easy for beginners who lack Electronics knowledge but also does not restrict professionals as they can program it in C or mix of Arduino C language There are thousands of projects which makes it easy to startup as there is barely no field where Arduino enthusiasts to have not been already Arduino has inspired two other major derivatives MAPLE and PINGUINO Based on 8 bit AVR technology the computational power of Arduino boards is modest this is why a team from MIT developed the MAPLE project which is based on ARM7 STM32F103RBT6 microcontroller The board have same friendly IDE as Arduino and offers the same capabilities as hardware and software but runs the Arduino code much faster The Maple project can be found at http leaflabs com In parallel with Arduino another project was started called PINGUINO This project chose its first implementation to be with PIC microcontrollers as AVRs were hard to find in some parts of the world like South America so it is likely to see lot of PINGUINO developers are from Page 8 of 20 OLIMEXO 2012 SHIELD EKG EMG that part of the world PINGUINO project fo
9. cGuru TM Pre Beta Version 0 0 40 Dec 11 2002 11 25 32 ile Preferences Protocol Debug Help 1024 TEES ees STET ENT bea e ee Bf RN BR es Be Le TE e a ES ES Page 13 of 20 OLIMEXO 2012 SHIELD EKG EMG SECTION 5 HARDWARE You can get a good view of the hardware observing the board All pins connectors and jumpers are named individually 5 1 Arduino shield connector These connectors follow the ARDUINO specification for shield connection The shield comes with soldered connectors making it ready for mounting on compatible board with the possibility to have another shield mounted on it POWER CON1 ANALOG CON2 DIGITAL CON3 DIGITAL CONA 6 pin and 8 pin connectors mounted CON1 CON2 and CON3 CON4 5 2 Trimmer TR1 Trimmer TR1 is calibrated during the factory testing However it may be adjusted for the gain Use at own risk 5 3 Jumper description The names of the jumpers on the board correspond to the bold names used below 3 3V 5V This jumper controls the power circuit Whether powered by 3 3V or 5V board Default state is 3 3V Page 14 of 20 OLIMEXO 2012 SHIELD EKG EMG REF_E If you use only one shield this jumper has to be closed If you have multiple shields the first one should be closed the respective REF_E jumpers on every other shield above it should be open Default state is closed AIN_SEL This jumper is resp
10. cument FeVISION ccccccccscscsssssccccscssscssssssssssssssssssssssssssssssssssssssssssssssssscessseesees 20 7 2 Web page Of your CeVice er HR 20 7 3 Ordering INO T 20 Page 4 of 20 OLIMEXO 2012 SHIELD EKG EMG SECTION 1 OVERVIEW Thank you for choosing the SHIELD EKG EMG prototype board from Olimex This document provides a User s Guide for the Olimex SHIELD EKG EMG As an overview this chapter gives the scope of this document and lists the board s features The document s organization is then detailed 1 1 Scope The SHIELD EKG EMG is an extension module for Olimex s ARDUINO compatible boards like OLIMEXINO 328 OLIMEXINO STM322 and PIC32 PINGUINO among others The shield is also compatible with ARDUINO boards including ARDUINO UNO The board comes with mounted connectors on it 1 2 Features e Stackable shield pass through headers up to 6 shields forming 6 channels mounted on top of each other and wired to A0 A6 analogue inputs e Open hardware open software project user have access to all design documents e Calibration signal generation by D4 D9 digital output e Precise trimmer potentiometer for calibration all boards are shipped completely as sembled tested and calibrated so you should not do this unless you wat to see how things work e Input connector for passive or active electrodes e Works with both 3 3V and 5V Arduino boards e Available examples
11. e shield to the board 7 Connect OLIMEXINO 328 to the USB 8 Install the VCP FTDI drivers by going in Device Manager right clicking over the unrecognized device and choosing Update Driver and then pointing to the folder where you downloaded and extracted the FTDI VCP driver Here it is advisable to go to Device Manager and from advanced settings of our Page 12 of 20 OLIMEXO 2012 SHIELD EKG EMG recognized USB Serial Port COMx device to set x to a free port between 1 and 4 because the monitoring software in this example can read only from COM ports 1 to 4 9 Start Arduino IDE 1 0 and open the provided by Olimex project ShieldEkgEmgDemo pde 10 Set Tools gt Board gt Arduino Duemilanove w ATmega328 Set Tools gt Serial port gt the COM we configured our board at 11 Click Upload gt 12 Download install and start the software from this page https www olimex com Products EEG OpenEEG EEG SMT resources ElecGuru40 zip 13 It is advisable to adjust the settings in your ElecGuru program in Preferences gt Trace waveform depending how many channels shields you use 14 Choose the COM port your OLIMEXINO is connected to from Preferences gt Serial port Remember you have to set it to COM 1 to 4 15 You connect the electrodes to your right arm left arm and the DLR to your right leg 16 Start monitoring adjust the settings until you receive an image like the one shown on the picture N Electri
12. for Arduino Pinguino and Maple 1 3 Similar boards MOD EEG SMT an inexpensive unit for electroencephalography EEG recording of electrical activity along the scalp https www olimex com Products EEG OpenEEG EEG SMT PROTO SHIELD If you seek a board which follows the DUINO shield dimensions specification and offers prototype area and 2 buttons with filter capacitors and 2 LEDs Web page of the product https www olimex com Products Duino Shields PROTO SHIELD SHIELD LOL If you are searching for a shield with 126 LED matrix 14x9 available in 4 colors and 4 different sizes of the LEDs Web page https www olimex com Products Duino Shields SHIELD LOL Page 5 of 20 OLIMEXO 2012 SHIELD EKG EMG 1 4 Organization Each section in this document covers a separate topic organized as follow Section 1 is an overview of the board usage and features Section 2 provides a guide for quickly setting up the board and introduces the user to Arduino Maple Pinguino Section 3 contains the general board diagram and layout Section 4 show and example of setting up SHIELD EKG EMG with OLIMEXINO 328 Section 5 covers the connector pinout peripherals and jumper description Section 6 provides the schematics Section 7 contains the revision history Page 6 of 20 OLIMEXO 2012 SHIELD EKG EMG SECTION 2 SETTING UP THE SHIELD EKG EMG This section helps you set up the SHIELD EKG EMG development board for the first time Please c
13. ly 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 SHIELD EKG EMG THEY ARE CONSIDERED SUITABLE ONLY FOR SHIELD EKG EMG Page 2 of 20 OLIMEXO 2012 SHIELD EKG EMG WARNING EKG DEVICE DISCLAIMER IEC601 is a standard that specifies tests and requirements that medical devices
14. n this example we use OLIMEXINO 328 SHIELD EKG EMG USB USBmini cable Arduino 1 0 IDE two external libraries for the IDE the latest versions of TimerOnev9 and FlexiTimer2 the latest FTDI VCP drivers 2 08 14 demo code provided by us that can be downloaded from the web site and free monitoring software Electric Guru 0 IMPORTANT Before starting you have to prepare the OLIMEXINO 328 board by removing its wire between the R6 pads R6 is not mounted There is increased power consumption and a chance of electrical failure if you omit to do so This is only for the OLIMEXINO 328 board Don t do the modification if you lack basic electronics skills because it is possible to damage the board 1 Download and extract the Arduino 1 1 IDE package from the Arduino web site http www arduino cc 2 Download and place the two timer libraries required TimerOne FlexiTimer2 in arduino 1 0 libraries by placing each of them in properly named folder check the other libraries for reference http arduino cc playground Code Timer1 http www pjrc com teensy td libs MsTimer2 html 3 Download the demo project from product s web page https www olimex com Products Duino Shields SHIELD EKG EMG 4 Download the FTDI VCP drivers http www ftdichip com Drivers V CP htm 5 Set the jumpers of SHIELD EKG EMG in the following way REF E closed 3 3V 5V 5V position D4 D9 D9 position ANI SEL 1 position channel 6 Connect th
15. onsible for which channel the current SHIELD EKG EMG would utilize If you have more than one shield one of them should have AIN_SEL in position 1 the second in position 3 etc Default state is in position 1 D4 D9 Controls pin D4 D9 Some processors utilize the default D9 pin so you have to switch to D4 This jumper provides easy option to do so Default state is D9 CAL CAL jumper is used for feedback of the calibration and requires additional cable Default state is open Page 15 of 20 OLIMEXO 2012 SHIELD EKG EMG 5 4 Custom electrode connection To make the passive electrode yourself you need three cables passive electrode surface and audio jack The way the signals go for connecting the audio jack is shown below Right 3 Electrode cable side SHIELD EKG EMG side Note that connecting active electrode that way will probably lead to electrical shock for SHIELD EKG EMG Only passive electrodes can be used with SHIELD EKG EMG Page 16 of 20 OLIMEXO 2012 PIC P26J50 SECTION 6 SCHEMATICS 6 1 Eagle schematics SHIELD EKG EMG schematic is visible for reference here But you can find it with better resolution and stand alone on the product s web page https www olimex com Products Duino Shields SHIELD EKG EMG They are located in HARDWARE section The EAGLE schematic is situated on the next page for quicker reference Page 17 of 20 OLIMEXO 2012 SHIELD EKG EMG E e 8 3 3V 5V VOCA
16. onsider 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 The SHIELD EKG EMG development board is shipped in a protective anti static package The board must not be 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 2 2 Requirements In order to set up the SHIELD EKG EMG prototype board the following items are required SHIELD EKG EMG itself ARDUINO compatible board e g OLIMEXINO 328 OLIMEXINO STM32 PIC32 PINGUINO Electrode cable The pinout for the board strictly follows the DUINO extension specification Best choice for a board would be OLIMEXINO 328 or any DUINO board which utilizes the ATmega328 since we have working and tested examples for those MCUs configuring them for ATmega128 would require tweaking of the code The cable features three electrodes two data electrodes 1 channel and DLR electrode feedback If you use more than one SHIELD EKG EMG you can use cables without DLR for every shield after the first IMPORTANT NOTE The electrode cables for SHIELD EKG EMG and MOD EEG SMT differ from each other In case you want to build a working SHIELD
17. unders decided to go with Python instead Java for processing language For the moment PINGUINO is much more flexible than Arduino as it is not limited to 8bit microcontrollers Currently the IDE which has GCC in background can support 8 bit PIC microcontrollers 32bit PIC32 MIPS microcontrollers and ARM7 CORTEXM3G microcontrollers which makes PINGUINO very flexible because once you make your project you can migrate easily through different hardware platforms and not being bound to a single microcontroller manufacturer The PINGUINO project can be found at http www pinguino cc Page 9 of 20 OLIMEXO 2012 SHIELD EKG EMG SECTION 3 SHIELD EKG EMG BOARD DESCRIPTION Here you get acquainted with the main parts of the board Note the names used on the board differ from the names used to describe them For the actual names check the SHIELD EKG EMG board itself For example BUTTON seen on the op view below is named BUT RESET is named RST etc 3 1 Layout Top view REF E jumper Electrode jack D4 D9 jumper 3 3V 5V jumper Channel select Page 10 of 20 OLIMEXO 2012 SHIELD EKG EMG 3 2 Layout Bottom view Page 11 of 20 OLIMEXO 2012 SHIELD EKG EMG SECTION 4 INSTALLATION EXAMPLE This is a step by step example of installing SHIELD EKG EMG on OLIMEXINO 328 using Windows You can refer to the tips keeping in mind that the example utilizes a board with ATmega328 MCU 4 1 SHIELD EKG EMG and OLIMEXINO 328 I
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