USER MANUAL PDF rev. 1.02
Contents
1. Assembling notes This kit requires good soldering skills and ability to read electrical circuit Print out the circuit and keep it n front of you during the soldering for easy reference Remember do clean solder work and install right components in the right place It is always hard to unsolder components from the PCB RH Electronics cannot be responsible if you ll overheat your PCB or will damage the kit components by incorrect soldering Double check yourself before you solder AII components must be inst2. minus button on the end of each countdown period Press and hold button when 3 seconds left before new cycle In calibration menu use keys to modify parameter and press OK In the end of the calibration process you ll need to confirm if you are using Li PO battery Press for YES or for NO The choice is saved to EEPROM It s important to confirm battery type to get right battery capacity indication for Ni MH and Li PO Alert CPM threshold The alert threshold is 600 cpm by default and new value will be saved only to temporary memory until power loss To set alert threshold press button during device start up Use or buttons to set the value and press OK for saving and continue of device operating If no buttons are pressed during device start up then the default 600 CPM threshold will be used Battery Voltage Indicator By default battery indicator on the display allows you to control Ni MH Ni Cd capacity Take note if you use other power sources then the battery indicator will not display the true readings In this circumstance you can ignore battery indicator level If using one 3 7V Li PO please confirm in calibration menu this battery type It will allow displaying right battery capacity for Li PO CPM counting The MCU can count up to 500000 CPM It s high enough for theoretical usage with many Geiger tubes The maximum radiation dose that can be display
3. JMP1 is removed Take note that battery indicator on the LCD 1s not applicable to these batteries type 4 USB 5V DC If the dosimeter s used only as a monitoring station and not as portable device you can use low current AC DC adapter 5V or USB from the computer Solder DC adapter wires to CHR Li PO pins JMP1 is installed 5 6F22 9V Battery Require external module Require external module with 5V voltage regulator LM7805 LM317 AMS1117 can fit 9V battery cannot be connected directly to the PCB JMP1 must be installed 5V regulator connected to Ni MH pins Simultaneously usage of USB and 6F22 with 5V regulator is allowed Usually 9V batteries have small capacitance of 250 650 mAh that s why it s not recommended Take note that battery indicator on the LCD is not applicable to these batteries type 6 3 7V Li PO Battery The kit can operate in beta mode even from one 3 7V Li PO battery The benefit of using Li PO 1s smallest battery dimensions The battery can be installed under the PCB that will significantly reduce the enclosure volume Minimum 800mAh capacity of battery is recommended JMP1 is removed Connect 3 7V battery to Li PO pins it exclude diodes Charge module can be connected to CHR LiPO pins Before connecting the Li PO it s important to calibrate conversion factor and confirm in calibration menu you are going to use this battery type Take note operating at VDD lower than 4 00V is in beta mode That s why is n
4. can be used The dosimeter sends CPM data to the computer via UART protocol each time it updates on the LCD Recommended TTL modules are FTDI FT232 3 3V 5V 2 CP2102 USB Serial Port Settings 1 Baud Rate 2400 2 8 Data Bits 3 Parity none 4 1 Stop Bit 4 pins on the PCB are intended for communication with Logger Software RX TX 5V GND When logging data you can power the device from 5V rail of your PC via TTL module If batteries power supply used please connect only 3 pins to TTL Module RX TX GND When powering the kit in beta mode from one 3 7V Li PO it s recommended to use 3 3V logic level FTDI module hitp radiohobbystore com External Alert External relay module can be connected to pin ALR The board will activate logic 1 status on this pin when CPM will reach alert threshold value Please remember that MCU pin can supply up to 10mA current for driving external load Instead of the relay module you can drive additional Alert LED with 300R 1K load resistor Geiger BOT https sites google com site geigerbot BOT pin with several external components can be used if you want to connect the device to Ipad with a cable Because Geiger BOT use beeper sound to capture the data you cannot mute device sound during communication with Geiger BOT software 5ms signal with 4000Hz frequency is presented on BOT pin for each event BOT pin Iphone MIC Arduino The dosimeter can be connected to Arduino or
5. clamps may be too loose that cause blank LCD screen with only backlight operating In this case open 4 clamps clean LCD contacts and reinstall the LCD into its PCB Close and tight clamps carefully Test if you can read 3 00V 3 30V on LCD VCC pin If the backlight is not bright enough for your consideration substitute R24 47R with a smaller value After soldering and washing the board you have to check several things before installing GM Tube Put 1 Position DIP Switch to ON and trim P1 R11 value to 3K Power the kit from USB See if display shows high voltage Some value between 370V 430V is ok you ll calibrate it later Check VREF value at pin 5 of PIC16F876A Current revision of the kit support 2 50V VREF voltage 5 Check voltage drop on protection diodes D1 D2 If all parts where soldered correctly then kit consume about 10 14mA and voltage drop will be about 0 3 V 6 Check LCD VDD voltage is 3 30V 7 Close tube terminals with your fingers of one hand for very short periods and see if you get buzzer clicks led flashes and counts on the LCD a se Tube Installation Power off the kit and install SBM 20 Geiger Tube The tube has polarity To install the tube you ll need to remove the LCD first Geiger tubes are very fragile items Handle it with care Do the visual test The tube must to be free of cracks and dents Shake the tube and check is here any sounds inside It s should not be Clean rust from tube terminals for good
6. other microcontroller via ARD pin The PIC generate 2uS low high low interrupts on ARD pin For example it may be useful if you want to create your own monitoring station based on Arduino and COSM service https xively com Please read tutorial here https xively com dev tutorials We provide simple Arduino example for connecting the Geiger Kit via Arduino as radiation sensor feed For more technical information please visit COSM website RH Electronics monitoring feed can be visited here https xively com feeds 122314 Hardware requirements Geiger Kit with tube Arduino UNO board W5100 Arduino Ethernet Shield jumper wires Connect ARD pin ton INT the kit can be powered from Arduino 5V line 952 1 0 9 89 T 6 5 43 2 1 0 D 1 1 E agio T 2 zs L a amp a amp 4 amp Arduino Cosm Arduino sensor client example Author RH Electronics www radiohobbystore com www mygeiger org This sketch can be used with DIY Geiger Counter board This sketch demonstrates connecting an Arduino to Cosm https cosm com Full tutorial available here https cosm com docs quickstart arduino html X Si include lt SPI h gt include lt Ethernet h gt include lt HttpClient h gt include lt Cosm h gt define API KEY API KEY your Cosm API key define FEED ID 123456 your Cosm feed ID volatile unsigned long CNT variable for counting interrupts from dosimeter MAC address for your E
7. DIY Geiger Counter Module MyGeiger ver 1 02 1 07 3 J v a gt 3 3 S E 3 hal http radiohobbystore com MyGeiger is original DIY Geiger Counter module developed and designed in RH Electronics The module will allow you to build your own Geiger Counter with SBM 20 STS 5 tube My Geiger can be purchased as DIY kit or as soldered module Technical specifications Relay Module For firmware 1 02 measurement period is auto adjusted 30s 10s 5s For firmware since 1 03 moving average algorithm is used with fixed 10 seconds period Time of continuous work of the device for 4xAA batteries with capacity of 1800mAh natural background measurement Please refer Power Source chapter of the manual for more technical details The circuit includes auto adjusted high voltage circuit with bandgap IC that keeps the tube voltage between 395V 410V The microcontroller perform precision high voltage measurement and correct high voltage if battery voltage goes down User do not need to calibrate high voltage user do not need to worry about high voltage drops because of low battery This functions fully controlled by original software algorithm Firmware 1 03 shipped since 08 Dec 2013 has moving average algorithm for counting CPM When testing radioactive samples you ll need to wait up to 60 seconds to get full results If radiation goes dramatically up then alert system will inform you immediately with
8. H Electronics DIY Geiger Counter Kit Monitoring https api xively com v2 feeds 122314 Channels 51 a minute ago N Graphs CPM 20 00 M ees ET IF Geen TIS eT 9 3006 u Aa TE TI 9M Jdzz Jdzz v GENZ 8 ZHN 59 om 30 J o Lon LCS 1HOl1 eL 149 OL Y Ro 3 M AEE e 1 OZ3ld d d e e O J3H dur po ON9 03199 140 NIG Od oa jog Jabias AS OL SH 3400 uU DL MOOL sd szaseew 8eLPNL SSXZ8 AOL AEE 33YA 6M cun vn L WOOL OL LS TAON Lua LNIONINOYY eu NM 09d 29d GOA ddA AS dS2l S Q AS AS di AH 084 1dnujeju EE E o et 1 i 440 Lef od r1 t 3001 I d 304v N a qnedwos sl D et z0 L JeBIeS AN e 4douz AOOOL UOL NO LdWP HIN IN LLO NO LdMWf 8Ssn L d I dibus uoo ejojs qqouoipej duu meni YOL SR geg 0001 UOL idog yis SS NOH 23713 d any zovsan TAH aen VAH SLO LL LLM ld bdl 0149 Z Y l LESYNL ZEEFNI EGPNL Wid ALP A A00r Ce 1a 9g ceu LET AOOOL UOL HWOL OL a 813 912 juoor doot ont J3uoOL AS S JjuOOL 20001 nosy JuOOL SL eio Hook 019 69 Y 619 99 vo 2 di AH 17 AS AS Gan LO OSNE Od n abJeyg
9. activating logic 1 level on ALR pin and lighting up LCD backlight for visual signalization Firmware 1 00 1 02 shipped before 08 Dec 2013 has dynamic auto adjusted counting period for CPM When radiation level goes up the software will reduce period from 30 seconds to 10 or 5 seconds For upgrading PIC firmware please contact support with your order number The display has fast graphic scale that represents each second measurement The resolution of the scale is 30 800 cpm and it updates every second The module includes Nokia 5110 graphic LCD All information s presented on the display time countdown sound on off indicator battery level indicator high voltage radiation dose graphic scale and cpm value To reduce power consumption the backlight will be powered off for background levels Otherwise you can light up the backlight for several seconds if pressing OK button If cpm value will reach the threshold ALERT value then the backlight will light up by auto to warn you about the dangerous level To mute sound or to turn it back press and hold plus button on the end of each countdown period Press and hold button when 3 seconds left before new measurement cycle Calibration Menu The dosimeter has simple calibration menu where you can change conversion factor for your tube and confirm battery type The factor value will be saved to EEPROM memory of the MCU To enter calibration menu press and hold
10. alled as electrical circuit show in proper polarity and right direction Any hardware modifications are not acceptable for technical support Take your time when performing solder work It may take about 3 hours to complete the kit Recommended to use 0 8mm or 1 00mm thickness lead solder wire with low melt point such as 60 40 186 Celsius 386 Fahrenheit 63 37 183 Celsius 361 Fahrenheit Do not use lead free solder Lead free solder require higher temperature to flow that may destroy PCB pads For good solder flow trim solder station temperature to 350C Celsius A solder joint should look like the picture above shows It s recommended to read general soldering guide from Sparkfun Electronics If you ll need to remove excess solder from the pad use desoldering tools braid wick or small pump VERY IMPORTANT After soldering the board must be washed with isopropyl alcohol and soft brush to remove all flux The flux remains affect high voltage converter and may cause different technical problems with the board You can use special industrial flux removers or buy isopropyl from hardware store When washing the PCB pay attention that the flux remover will not slip into buzzer switches or USB connector It may cause mechanical problems Dry the PCB properly before first powering The kit has about 100pcs components You need to identify each part before you start to solder it Check all resistors value with a multimeter because
11. ct external button if you wish When installing PIC into DIP socket please be careful I have seen board where PIC was inserted by incorrect pressure and several leads were curled under the PIC body Take note about IC polarity Tweezers can be useful tool if you ll need to remove or reinstall the PIC To solder the display first install long male pins into female sockets then place the LCD over the board and solder The bottom 3 pins row connected to CKL VSS LIGHT contacts of the LCD LED and 3 tact buttons are soldered in the last stage Now wash the PCB with IPA99 and dry it properly LCD troubleshooting Today the project running with Nokia 5110 LCD module see pin out from the photo below This eraphic LCD has extremely small current consumption but unfortunately these displays are no longer produced by Nokia These displays were previously installed in retired Nokia 3310 cell phones LCD may have some light scratches on the surface There is no new Nokia LCD available in the world but we try to deliver the best samples we can get If you purchased non soldered kit please pay attention how to solder LCD pins correctly The bottom pins row is soldered only to CLK VCC LIGHT Most of the problems associated with the LCD are caused by poor contact between LCD and the LCD main board Nokia LCD module build from 2 parts The LCD and LCD PCB Electrical contact between LCD itself and red PCB provided only by pressure 4 metal
12. e or any other damages whatsoever relating to the use of PRODUCT In addition in no event does RH Electronics authorize you to use this PRODUCT in applications or systems where PRODUCT s failure to perform can reasonably be expected to result in a physical injury or in loss of life Any such use by you is entirely at your own risk and you agree to hold RH Electronics harmless from any claims or losses relating to such unauthorized use MyGeiger developed and sold by RH Electronics for EDUCATIONAL PURPOSES ONLY You are responsible for your own safety during soldering or using this device Any high voltage injury caused by this counter is responsibility or the buyer only RH Electronics is not responsible for radiation dose readings you can see or not see on the MyGeiger Icd display or with using PC logging software You are fully responsible for you safety and health in high radiation area This Agreement constitutes the entire statement of the Agreement between the parties on the subject matter and merges and supersedes all other or prior understandings purchase orders agreements and arrangements This Agreement shall be governed by the laws of ISRAEL RH Electronics the owner of the copyright of this PRODUCT all of its derivatives title and accompanying materials are the exclusive property of RH Electronics All rights of any kind which are not expressly granted in this License are entirely and exclusively reserved to and b
13. ed is 9 99 mS v h 500000 cpm 0 0198 factor In real life condition because of tube limitation and tube dead time you will not go close to this values Maximum value that can be registered with SBM 20 is about 1000 uSv h 1 00 mSv h Measurement accuracy is better on low cpm value Maximum cpm error value is 4 Display ranges 0 1 uSv h 9 99 uSv h 10 0 uSv h 99 9 uSv h 0 10 mSv h 9 99 mSv h Typical display Power Source Please read this section carefully We are not responsible for any technical problem that caused by user because of wrong power source or batteries connection Li PO batteries are contains explosive materials Use Li PO only if you familiar with the safety The MCU requires 4 00V 5 50V but it will continue to work down to 3 30V According the datasheet only 4 00V 5 50V zone is guaranteed by Microchip That s why is recommended to keep VDD voltage between 4 50V 5 50V EEPROM write function may fault when VDD is not in recommended range when performing calibration please connect device to recommended power sources The board includes D1 D4 diodes and jumper JMP1 for configuration different power sources D1 D4 diodes allow connecting USB and Ni MH batteries simultaneously but 0 3V will drop on the diodes You will not need to remove ba
14. electrical contact The tube has anode and cathode sides Anode side is marked on tube body and it connected to R18 resistor Calibrating for 1 02 1 04 firmware If everything is right then it s time to calibrate tube starting voltage You need to power the board with exactly 4 80V use small regulated power supply connected to Ni MH pins 4 80V is a middle capacity voltage for Ni MH batteries When powering the board from 4 80V the tube voltage should start with 380V 385V reading and go slowly to 400V If your first voltage reading on lcd is less then power off the kit and turn Pl a little to left direction and recheck start voltage again Find P1 position where your kit start with 380V when powered from 4 80V In similar way if you read first start up voltage more than 385V with 4 80V then trim Pl a little to right direction You need to find P1 position where on 4 8V kit shows half of battery capacity Do not trim P1 when kit is powered Calibrating for 1 05 1 07 firmware Since 1 05 firmware calibration is different Trim P1 to the middle position Power the kit with 4 8V middle point of Ni MH capacity Check battery indicator on LCD after 10 20 seconds You should see a half If not power off the device remove LCD and re trim P1 a little You need to find Pl position where on 4 8V kit shows half of battery capacity Do not trim P1 when kit is powered MCU Firmware Updates PIC16F876A is shipped with the last available firmware ver
15. ion dose displayed on the kit LCD cannot be used as a reason to do something or not You are responsible for your own safety in high radiation area The device can be calibrated with precision radiation source in special lab you make a decision if do it or not Here is default conversion factor values for some most popular GM tubes SBM 20 0 0057 SBM 19 0 0021 SI 29BG 0 0082 SI 180G 0 0031 LND 712 0 0081 LND 7317 0 0024 J305 0 0081 SBT11 A 0 0031 SBT 9 0 0117 Need help with the DIY Kit you purchased Please send a support request to us at support radiohobbystore com Support request requirements e Include your order number or eBay ID e Please describe your problem fully attach screenshots or pictures and tell what you already tried to do for resolving the problem e Attach high resolution focused photos of your soldered kit from both sides of the PCB e Please wait up to 24 hours for the response e Please follow our support instruction because we can help you only if you ll work with support team If you ll not provide a information for support team or you ll drop out from communication we ll not be able to resolve the problem Several advices for successful kit assembling Print the circuit schematic page from user manual and refer to it OFTEN during soldering Follow the User Manual for assembling and calibration Take your time Please do accurate soldering Use only Rosin Flux and Solder 60 40 with low melt point C
16. lean the PCB after soldering Locate and download components datasheets for reference Your feedback for eBay purchase If you purchased our kit on eBay we ll be very grateful for your positive feedback Please leave us 5 star score positive feedback if you are satisfied with our product and service If there was any problem with your purchase please contact us and we ll do our best to resolve it Share your worklog You are invited to share the photos of your project Please send it to us and we ll post the photos on special page http radiohobbystore com customers gallery diy kits Discount Coupons Make a short review and get discount coupon for further purchase http radiohobbystore com discount coupon COPYRIGHTS AND LICENSE EULA license for MyGeiger DIY Geiger Counter Kit firmware and hardware Copyright Alex Boguslavsky RH Electronics ISRAEL http radiohobbystore com Please read the following terms and conditions carefully before using this PRODUCT Your use downloading or installation of this copy of MyGeiger firmware indicates your acceptance of this License PRODUCT here means firmware hex or source files hardware unit all accompanying files data and materials received with your order of MyGeiger DIY Geiger counter Kit If you do not agree to any of the terms of this License then do not use do not install do not copy firmware and do not distribute any of PRODUCT files If you have purchased a si
17. ll flux remains usually affect high voltage output High voltage problems 1 Wash the PCB and check T1 D6 D7 D polarity 2 Check voltage multiplier soldering is correct on all points Exceed solder may cause shorts and create additional connections between components 3 Check VREF voltage is correct pin 5 of PIC will read as 2 50V 4 Check PWM signal from pin 13 of PIC is delivered to T1 base 5 Check if L2 coil has DC resistance about 15 30 ohm 6 Check 100M divider is soldered correctly 7 Check R7 value is 100K 8 Check JMPI configuration is correct When using Li PO please connect battery to lipo connectors otherwise protection diodes will cause high voltage to drop to 250V 300V LCD is blank l Please refer LCD troubleshooting above Usually the problem caused by poor contacts inside LCD pcb 2 Check if DIP switch placed to ON position High current consumption l May be caused by D9 zener malfunction Remove PIC and LCD to check zener current Current consumption without PIC and LCD should be about 5mA WARNING The board has high voltage 400V presented on tube clips If you buy the kit you are fully responsible for any possible injury caused during assembling or using this device Never touch the PCB during operation with two hands or with any metal items Place finished kit into plastic case to prevent touching high voltage elements RADIATION WARNING This 1s educational DIY Geiger Counter Any radiat
18. ngle copy from RH Electronics or an authorized distributor reseller or any retail channel you may return it unused within thirty 30 days after purchase for a refund of your payment less any incidental charges Warrantee covers defects in the PRODUCT which prevents described in user manual functions Warrantee does not cover fitness of purpose not meeting of expectations or needs in the mind of the buyer This PRODUCT is for personal use only and the PRODUCT S firmware may be installed and used by on only one MyGeiger Geiger Counter hardware unit Its component parts may not be separated for use on more than one hardware unit All components accompanying the PRODUCT are copyrighted by RH Electronics and may not be taken apart modified de compiled used or published with other software or means except with the PRODUCT and may not be distributed or copied in any manner This PRODUCT all accompanying files data and materials are distributed AS IS and with no warranties of any kind whether express or implied The user must assume all risk of using the PRODUCT This disclaimer of warranty constitutes an essential part of the agreement Any liability of RH Electronics will be limited exclusively to refund of purchase price In addition in no event shall RH Electronics or its principals shareholders officers employees affiliates contractors subsidiaries or parent organizations be liable for any incidental consequential punitiv
19. ot recommend to perform any EEPROM WRITE functions when powering the kit from 3 7V Li PO Power sources summary 4 8 V Ni MH Recommended 2 USB 5 Recommended 3 Alkaline Ni Zn Compatible 4 Battery with 5V step up module Compatible 5 6F22 9V with 5V regulator Compatible 6 3 7V Li PO Compatible in beta Please consider the best way for your kit User is responsible to connect all external modules correctly Check all external modules connection is correct Check JMP1 Do not overheat Li PO wires with solder iron Charge Li PO 160 VDD I recommended i 1 USB JMP1 ON l 2 NI MH jup4 ON ae gt Se I a 7 compatible a 3 Li Po JMP1 OFF i l Radiation Logger Software Please download the latest version of logger software and logger user manual PDF from our website http radiohobbystore com radiation logger The software compatible only with Windows OS It allows creating CSV logs file on your PC and build graphs from previously saved logs files Since 1 4 logger version it also support direct uploading to http xively com To connect the dosimeter to a computer you ll need external USB TTL module TTL module is not included in the purchase but any low cost FTDI
20. reading color code may be confusing 10x 10M resistors and 1x 100K resistor have to be 1 Other resistors in the kit may be supplied as 1 or as 5 depend on stock Any hardware or software modifications performed by buyer are not qualified for technical support You are fully responsible to solder this kit correctly Assembly sequence flow s displayed on the following photos and in youtube video that can be found on product page on the website EDHr T BAER amp P d Prap pe HI LE G 4 4 Y E 3 ji Si A pd en AND e SEL OC 0 jJ a pS 14 vg ki D mr A B PL e We e et e e Oe GG ve e om a ALT cow P D e e BFB7E a eE Gs P 4 E z e mm x GR gt ra 5 e K Iac e gt L b e e See IA ki e 77 s amp s e SE N 4 CS ar DER GE i ee d sej eat SO Kar Te ole d KS e d Si gt j Y E Zu 4 ALA LS JI ec st ttt s Ko jo e On EN 0 S EDO EL ez CF HEN O Y TDS GOLU EA L m bi d 4 d d my gt o e Y S All diodes electrolytic capacitors led buzzer IC s and transistors have polarity Please use electrical circuit and PCB silkscreen to install the components in right direction 29 KE e loH Tem om tz G EZ guz B Put the JMP1 cap to be able to power the device from USB at first start up For more technical details about fur
21. sion at the date of purchase Usually user do not required to update device firmware but in some cases update maybe performed through installing another PIC chip If you want to jump from your to the newest version of the firmware you may be asked to cover PIC cost shipping charge We do not charge you for the update only for hardware cost In case you have trouble with newer version you can always roll back to old program This project 1s not open source Hex file or any source files are not distributed over the internet Hex file or pre programmed PIC is not sold separately from the hardware Please see additional details in Copyright and License section of this manual General advices Avoid long wires connection inside and outside the enclosure Avoid loose contacts for power source or batteries Never just wrap wires around the connection pins Use proper 2 54 female connectors or solder tinned wires directly to the PCB pins Check the polarity and direction of all connections you make Do not touch tube with your hands when device is powered Do not place Geiger module on any metal surface Plastic case recommended for the counter Do not short tube terminals Do not try to measure high voltage tube clips with a multimeter Troubleshooting Most of the problems with kit caused by incorrect soldering or short circuits between components Please recheck your soldering Because high voltage 1s presented it s very important to wash the PCB any sma
22. ther jumper configuration please refer Power Source user manual part eroe Geiger Tube SBM 20 J305 STS S tine 2 Mise eo Ms etit un E Ui IR 4 mn 2 PHP Geiger Tube SBM 20 J305 p A 54M ML um Now it s good moment to perform a middle point test Before continue installing PIC and other components power the board from 5V on Ni MH pins and check VFER voltage inside pin 5 of 28 PIN DIP Socket VREF should be between 2 49V 2 54V If you read something else it means you need to modify R2 value or replace IC2 Check also 3 3V voltage on D9 zener after R5 And very important now to check voltage drop on D1 D4 diodes Some samples of BXZ55 zeners may consume larger current because semiconductors are not ideal Larger current consumption will lead to big supply voltage drop over DI D4 A normal voltage drop is 0 20V 0 30V after shottky diodes If you see that D9 consume more than 5mA then replace it Please contact RH Electronics support to get free replacement for D9 or IC2 if you need Revision 1 02 of kit has P1 potentiometer The total value of P1 R11 may be between 3K 5K Usually it can be 5K potentiometer P1 with 200 ohm resistor R11 Trim Pl R11 to 3K value for first start up This potentiometer will allow you to calibrate tube start voltage later Revision 1 02 of kit has JMP3 Put jumper cap on JMP3 to connect buzzer to MCU Sound can be muted with tact key through software but also you can conne
23. thernet shield byte mac OxDE OxAD OxBE OxEF OxFE OxED unsigned long lastConnectionTime 0 last time we connected to Cosm const unsigned long connectionInterval 60000 delay between connecting to Cosm in milliseconds Define the string for our datastream ID char sensorld CPM CosmDatastream datastreams 1 CosmDatastream sensorld strlen sensorld DATASTREAM FLOAT 5 Wrap the datastream into a feed CosmFeed feed FEED ID datastreams 1 number of datastreams EthernetClient client CosmClient cosmclient client void setup put your setup code here to run once CNT 0 attachInterrupt 0 GetEvent RISING Event on pin 2 Serial begin 9600 while Ethernet begin mac 1 Serial printIn Error getting IP address via DHCP trying again delay 15000 j Serial printIn Network initialized Serial printIn j void loop main program loop if millis lastConnectionTime gt connectionInterval read a value from the pin unsigned long sensor Value sensorValue CNT CPM send 1t to Cosm sendData sensorValue sensorValue 0 CNT 6 CNT 0 lastConnectionTime millis j j void sendData int sensorValue datastreams 0 setFloat sensorV alue int ret cosmclient put feed API KEY j void GetEvent Get Event from Device CNT j L T xively DEVELOP MANAGE DEVELOPER CENTER a by LogMeln R
24. tteries if going to connect the dosimeter to computer USB or TTL module The PCB has option to exclude the diodes when connecting the battery to Li PO pins please refer each battery type description below PIC16F87XA VOLTAGE FREQUENCY GRAPH INDUSTRIAL EXTENDED FIGURE 17 1 Frequency le radioh opi et com 1 Ni MH 4x 1 25V Recommended power source for the kit is USB 5V or 4x 1 25V Ni MH batteries You can connect simultaneously USB and batteries The board will use the higher voltage source JMP1 must be installed Battery holder wires are soldered to Ni MH please refer polarity Minimum Ni MH batteries capacity that can be used for the kit is 1000mAh Recommended capacity is 2300mAh 2 Alkaline 3x 1 5V Ni Zn 3x 1 6V Require 3xAA battery holder Connect these batteries to Ni MH PCB pins JMP1 must be installed Take note that battery indicator on the LCD is not applicable to these batteries type 3 Battery with 5V Step UP module Require external module Additional option for powering the kit is 5V Step Up module usage You can use 2x 1 5V AA batteries or one 3 7V Lithium battery please refer power circuit diagram Take note 5V step up module consume additional current and it has about 75 performance Total power consumption of the Geiger kit will rise to 25mA for background levels Charge module for Li Ion if used must be connected to CHR Li PO pins Step UP module output must be connected to Li PO pins
25. y RH Electronics You may not rent lease transfer modify translate reverse engineer de compile disassemble or create derivative works based on this PRODUCT You may not make access to PRODUCT available to others in connection with a service bureau application service provider or similar business or use this PRODUCT in a business to provide file compression decompression or conversion services to others There are no third party beneficiaries of any promises obligations or representations made by RH Electronics herein You may not disclose to other persons the data or techniques relating to this PRODUCT that you know or should know that it is a trade secret of the RH Electronics in any manner that will cause damage to RH Electronics htpp radiohobbystore com This PRODUCT and all services provided may be used for lawful purposes only Transmission storage or presentation of any information data or material in violation of any country state or city law is strictly prohibited This includes but 1s not limited to copyrighted material material we judge to be threatening or obscene or material protected by trade secret and other statute You agree to indemnify and hold RH Electronics harmless from any claims resulting from the use of this PRODUCT which may damage any other party http radiohobbystore com RH Electronics 2013
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