Home
M2M Easy Communicator Technical specification
Contents
1. RJ11 Outgoing analog phone line connector Alarm signal gt 8 SIM holder lt 1 J HM oo uL MIRR Aea 3 TIS E T f E P i 4 7r BATETIS 7 7 sk ba LE LER d p SIN9 eD 2 1841Y 2891S SN NP 6 11252292509 INIHI HU MEI 3597 Co E E 16 Kommuni i Communication capabilities GSM standard data transmission e Yes Wireless data SIMCOMM transmission SIM300 340DZ 900D module Contact ID CID module MBus RS485 RS422 Internal interface Industrial interface e Yes connector line extension module IO expander module 868 MHz Zigbee E Review of the inputs The Communicator device has 4 inputs Every of them can be separately configurable to operate as a voltage or contact input This setup can be achieved with the input switch es which is behind the input connector line s SW1 SW2 SW3 SW4 The figure below shows that the two way switch is in down low position towards the LEDs the input behave as a contact input In the other case up top position this operates as a voltage input In voltage mode the input can be activated with 5 24V DC digital 1 in the zE Sx J bd N H FA NM US e ceeooccee other case its inactive digital 0 These inputs and its working mode can be also configured from the device software 17 B Review of the outputs The device has 2 relay output CS11 CS12 0 5A 125VAC or 1A 2
2. Switchable voltage relay 0 5A 125VAC 1A 24VDC Contact protection ranging gt Regarding the international standard IEC 60364 4 41 2005 classification and regulations the level of the contact protection safety ranging 3rd class low voltage lt 16A Active contact elect shock protection modes Passive protection modes low voltage used in the electrical circuit limited fault current powered circuit applied the transformer isolated from the PCB circuit duplicated seal in the power supply adapter for filtering the interferences an aluminium enclosure was used Conformity of contact protection safety ESP without grounding Safety immunity protection IP level B without enclosure case PCB IP20 B with case enclosure IP54 front side back side IP50 PCB IP20 Antenna operation parameters Recommended antenna type pole antenna OdB gt Antenna frequencies stand 850 900 1800 1900 MHz Impedancy 50 Q Connection SMA horizontal 27 2 7 Operation conditions General requirements 230V power supply or 12V output of the alarm center Cellular provider given public GPRS network access and data package sending service with activated SIM card furthermore private APN service activation when it s needed The scale and tariff of the APN service and the current data traffic units can be various for different mobile providers get more information related to the conditions
3. The software was implemented in several projects as a technical solution in production wide range of requirements were accomplished Network support services and access of data protocols TCP UDP Handling of fixed or provider given dynamical IP addresses Access and availability of remote monitoring and maintenance communication protocols data transferring TCP UDP in security safety areas Enigma WM Alarm protocols Signal transmission for remote monitoring tasks Sending life signals Configurable internal Contact ID codes Standard industrial communication and programmable interfaces Serial port connection possibility RJ11 for applications industrial usage and self developed programs Network recovery function in case of connection failure rebuilds the connection when cellular network hangs or cuts the device off or in case of network access problems Check and monitoring of network connection continuously checks the availability of the cellular network gt M2M server integration capability for redirection of data to a central place to collect and store them in safety for further evaluation etc storage in central database visualization in web interface graphic visual options event management remote access possibility etc gt Management options on the WM M2M web interface Configuration definition file upload to the device from PC and configuration download options fr
4. x 92 x 20 mm special ABP800 aluminum case enclosed black 94 x 84 x 35mm SIMCOM SIM300DZ SIM340DZ SIM900D 33 x 33 x 3 mm ARM923EJ S core processor Contact ID module 40 pins 47 x 52 x 18 mm 210gr PCB 72gr CID module 20gr case house 118gr power supply adapter e 1gr the aluminium case can be fixed with screws on C tracks Physical and environmental requirements Operation temperature 20 C 55 C Storage temperature 40 C 85 C gt Relative humidity 10 90 Storage humidity 5 95 Certifications gt FCC CE MABISZ Power supply parameters gt Power supply input 100 240V 50 60 Hz 5 7mA current gt Power supply output 12V secunder output voltage 80mA current load 12 V voltage is required for the proper operation of the device The source voltage must insure minimum 80mA current on 12V voltage for the eligible operation Current parameters M2M Easy Communicator device Primer side 230 V Power supply 8 12 VDC low voltage Current stand by 50 mA Current average 65mA 1800MHz 1W 75 mA 900MHz 2W Current max 130 mA 1800MHz 1W 150 mA 900MHz 2W gt Power consumption out capacity 0 5W stand by 1 7W aver 3 4 W max 26 Input and output voltage parameters Input high level voltage input 5 24V input low level voltage input 0 1V Current in active status as contact input 5 mA
5. 4VDC voltage can be switched through on these interfaces E Review of the internal connectors CS2 Antenna connector SMA conn CS3 SIM card holder CS6 RJ11 phone connector 18 CS7 CS8 IN1 IN4 inputs voltage or contact CS9 CS10 Standard surface connector for mounting expansion modules like the Contact ID module CS11 CS12 Outputs for relay switch for example sabotage defence tasks CS13 Power supply connector GND 12V CS14 CS15 CS16 Alarm Line and Phone connectors 2 3 LED funcionality E Operation LEDs and statuses LED 1 GSM GPRS status Device status LED status Symbol the device is not yet registered to the GSM network or its blinks quickly registration is on the way in process the device registered to the GSM network blinks slowl a communication call is active lights out e LED 2 5 Inputs green There are four LEDs for the four inputs with a green light When the input is active at the contact input the two poles are closed short the voltage at the input 5V DC the current input has a LED which lights out LED 6 Operation Elta During GPRS connection this LED blinks When the GPRS connection was successful the LED lights continuously The LED during the GPRS communication switch into blinking 19 LED 7 Operation LED red in case of LEDFIELD 0 see the Installation manual When you turn on the device until its not registering successfully on the GSM netw
6. INES TA 5 T2 ADDISSUOD GIO ee ee 6 1 3 Possibilities of the utilization and data connection eeeeeeeeennennnmmmmmmnn 6 Ler elm POSEE OS sessLentistiasvebbrdud nias rad erteb barbe tcl PIRE ELUD LEER ERE cA UEM IG DELE US PIN S ER IER RnE DIN S CM ERESLA 7 2 DEVICE CONSTRUCTION xicexxxi an D iO GER ORA ACE S OR DENTAIRE BRE ROG REA IA ARDET 11 2A driterrial COMSULICTION udssseetqsued aare mEVETE IMMECS PUR UN tI MUM DI Fer NI MIU CPI MM DIUI MN SV DPIRDEE 11 2 2 Interface connectors eese eausa redeas e aduana dann 16 2 3 LED TUMCUOMGURY svratio PtaxOE ESL UL EDI DXX heed PR NDA ESUE nenst tee tapsenta ne dannaet 19 ZAM alii CG MID E E T E OO T o mtm 21 2 5 Module connection facilities esee remm nn 25 2 6 Technical specification and data esseseeeeeeseeeene nenne nenne nenne nennen nnne nausea nenne nnn 25 PER reWeeeen mem m E Tm 28 2 9 ODON ees SOUS osa iva dno tu api dE Vaud tur C PEE se pera 30 3 PARAMETER OPTIONS cisci bI ee Ql D RC RR 31 Se SUPPORT u5scsiskax iub uiid i n iu REOR RUE REN AR REN CR GER RR UU ARCA RN NR NORD RR RR RR RR 32 5 LEGAL NOTICE isixsssaderekiiiduk iid an WR A QUGOOQRRC TE 33 LI WM Rendszerh z Kft 1116 Budapest Takaros u 3 Tel 36 1 310 7075 Fax 36 1 319 8249 www m2mserver com Chapter 1 Introduction Thank You for choosing the M2M Easy Communicator device for your work 1 1 Product overview The M2M Easy Commu
7. M Rendszerh z Kft The text of and illustrations presented in this document are under copyright Copying usage replication or publication of the original document or its parts are possible with the agreement and permission of the WM Rendszerhaz Kft only The figures in this document are illustrations those can be different from the real appearence The WM Rendszerh z Kft doesn t take any responsibility for text inaccuracy in this document The presented information can be changed without any notice The printed information in this document are informative only For further details contact us Warning Any fault or upcoming error during the software upload refresh can lead to the device breakdown When this situation happens call our specialists 33
8. M2M Easy Communicator Technical specification 777 1M n LN Fili e V y a Inc e 3 sIM9a8D 2 1841Y Z891S MPAG 11252292589 SN MELLE MOOM INET 359772033729592 QUU LA CE 0980 T iss gt e 5 e i DL eu e pm M gt f Ji Rev 1 1 6 2012 03 21 KOMMUNIK CI S MEGOLD SOK Document specification This document was made by the WM Rendszerh z Kft for the M2M Easy Communicator device This 7echnical Specification contains the description how to understanding of the structure and working theory of the device furthermore the description of the installation and configuration steps are also included Document category Technical specification Product M2M Easy Communicator Made by T th Csaba WM Rendszerh z Kft Contact Email csaba toth m2mserver com Validated by Papp Zsolt Document version REV 1 1 6 Pages 33 Hardware version REV 2 1 Bootloader version REV 0v89 Firmware version REV 1v592 Document status Final Class Public Made at 2010 October 13 Last changes 2012 March 21 Date of authorization 2012 March 21 M2MSERVER COM Table of Contents Le INTRODUCTION 4iiscxssueskathuka dina ada nda ERU E ERE UR UOCE C a 5 Ll PROCUCE OVeIVIOWLusonsivesden vnisE n PadgUF VERA qaa DUK pIM I DE PVcaN E A RI EFE Cn UE EMINUS MEIN A E C
9. at the chosen provider The SIM card and the activated data package sending service availability insured by the WM Rendszerhaz Kft by default gt Cellular network connection GSM GPRS data and GSM gradient Special needs optional Power supply with lithium cell 2 x 3 6V in case of installation to special locations APC power supply in case of industrial environment or high availability when the usage is highly important for further services like operation security or safeguarding gt Special power supply requirements for supply device with thunderbolt and overload over current protection Configuration requirements gt RS232 serial or USB S RS232 converter adapter wire for connect the M2M Easy Communicator device to a PC through the RJ11 adapter switch at device side 28 M2M Easy Communicator device CID module gt PC Notebook with serial RS232 or USB port Microsoft Windows operation system installation which is capable for running the DR Term application Terminal tool DR TERM application gt M2M Easy Communicator firmware system software gt M2M Easy Communicator configuration file optional B Security regulations The device must be installed and configured related to the User manual The endosure casing of the device cannot be removed the device must not be modified or repaired by unauthorized persons The IP immunity and contact protection is effective in ca
10. d by SMS text messages The device is applicable for transmitting the alarm signals of alarm centers in CID format The configuration is possible through SMS messages or with a PC The communicator device passes the required data through the GPRS network to the remote monitoring center or the M2M server in Contact ID format 1 2 Application areas TheM2M Easy Communicator offers a complete solution to target areas where it s required to use a device which is easily configurable cose effective and uses intelligent GSM GPRS communication The device through it s widely applicable properties can be offered for the following various areas To collec the provided data from home safety security devices and transmitting them to the alarm center Where alert and monitoring tasks are required Elevator monitoring maintenance tasks Elderly monitoring tasks Maintenance of digital outputs SMS Voice GPRS Remote controlling SMS Voice GPRS gt Transmitting the measurement data from metering devices for ex Water meter through the device inputs General measurement and data receiving and collection tasks through the input interfaces Fire protection tasks fire smoke signal transmission Gate opening functions remotely call based Forwarding the data of further measurement instruments and the events of alarm devices through connecting further sensors sending alerts alarm codes data 1 3 Possib
11. he device can work in this mode as a GSM gate opening system a special firmware needed for this mode b the CID module connected In this mode You l be able to forward or receive CID codes through the GRPS network to a remote monitoring service or it s possible to use the device as a GSM transmitter The module supports the analog line backup function The WMR recommends and offer this module to attach it as a standard and default configuration The CID module 24 Accessory module detailed functions Simulated analog line generating through the device can communicate with an analog equipment device through the GSM network Analog phone line connection possibility it can be configured that the GSM line or the analog line will be the primary line Analog phone line output for further equipments devices For transmitting forwarding the Contact ID signals of an alarm center system through the analog phone line or GSM network c Other module connected with standard connector interface You can choose other optional modules which can be attached with a standard connector interface The required specification can be found on the WM Rendszerhaz website 2 6 Technical specification and data Mechanical structure Dimensions of the PCB Dimensions of the case bay optional Dimensions of the integrated module Accessory module dimensions opt Weight Hxation 25 6
12. ilities of the utilization and data connection The following figure illustrates with examples that which kind of GSM GPRS network connection types and further utilization possibilities are open for M2M Easy Communicator device The collected data and information can be used for the following tasks and areas mi a F poyma zas a x 5 _ Se MER E MOM ae M2M IP RECEIVER L A MONITORING SOFTWAR SECURITY ELEVATOR SURVEILLANCE M GSMIGPRS GSM ISP FIRE ALARM TRANSMITTING gt TELEMETRY eo 77 ce s GATE OPENING M2M SERVER DATABASE amp METER 1 4 Main features Hardware functional characteristics GPRS transmitter device electrical circuit option optional can be ordered with aluminium case gt Outstanding capacity and high power RISC based ATMEL AVR microcontroller 7 37 MHz 8 MIPS for the operation system and for running the the stored programs from the microchip Widely supported memory areas e 32 kbyte flash program storage area e 1kbyte EEPROM memory for data storage e 2kbyte internal SRAM memory Supporting the independent provider solution and SIM card usage operation and full functionality from foreign country cellular network service provider area Support of cellular network data transmission standards GSM GPRS data transfer Forwarding data event and information through cellular network measurement data security events industrial
13. lay output status LED yellow 8 battery supply connector optional with an extension module 9 SIM holder gt 10 CID module mounted on the standard interface connector 11 dL SG XX A r ur Oy e J f PIA oA e i dah ttt LiD En Communicator device PCB with CID module mounted top side gt 11 Programmable cable connector gt 12 GSM modem operation LED red gt 13 SMA antenna connector gt 14 3 x 2 pins connector for analog inputs alarm line phone for the following functions of security centers alarm output analog entering line input phone connector gt 15 ALARM input active LED green 12 16 mmm 3 sIM988D x amir zpos Co 1 3537720337235 gt e 2 9 e gt dE N Communicator device PCB without a CID module top side the GSM GPRS module Is visible 16 standard interface modular connector for example receiving a CID module gt 17 GSM GPRS module SIMCOM SIM 300DZ 340DZ 900D 13 a electric circuit PCB construction down side gt 1 ATMELa RISC based AVR microcontroller type ATMEGA324PA 32 pins connection TQFP package 7 37 MHz frequency 8 MIPS BRILL ESI wiit c HL 14 oz D m IT M JEB L S ND m A m LIEN ew o i PCB down side m accessory CID module Contact ID construction The CID module accessory means an expan
14. nicator is a reliable GSM GPRS data transmitter device in compact Size The primary function of the device is the maintenance of the remote digital inputs and the setting of the remote digital outputs logical The data communication works through the cellular network Furthermore there is a special expansion panel to tune up the device able to forward the Contact ID signals of an alarm system or an alarm center towards to a remote monitoring center with DIMF codes M2M EASY COMMUNICATOR CID Through the usage of the device it s supersede to use traditional analog phone line for signal transmission When the analog phone line is already possessed this device can be a backup channel in case of GPRS network problems its more secure to send the signals through separated lines The M2M Easy Communicator is properly suitable to connect with IP receiver to forward the information towards the dispatcher service provider Through the widely supported functions and the reliable working of GSM GPRS standards the device is highly applicable for assuring the communication background of monitoring systems on that way that every type of sensors and various communication modules can be connected The communicator is eligible for sending SMS messages as replies for the signal changes of the inputs or initiate a voice call or sending a pre defined data package through the GPRS network The outputs of the device can be controlle
15. om the device Software and parameter upload options Confuiguration e with Terminal utility firmware upload Program upload through serial port RJ11 conn e with DR TERM application Configuration file upload parameter configuration RS232 conn Software for loading the Parameter file Configuration options Locall e through serial port d e with DR TERM application Remotely with SMS text messages e Yes 10 Chapter 2 Device construction The communicator device contains a high performance RISC based ATMEL processor to serve the available functions which runs the required programs for the proper functioning of the device The device was designed for receiving signals from various sensors or serve data from a external data collector device or make connection with a data center system it s all possible through its digital inputs and outputs 2 1 Internal construction electric circuit PCB construction top side gt 1 power supply connector 2 pins Microfit standard connector gt 2 power supply presence LED green gt 3 red yellow operation LED for the various program statuses 4 4x digital inputs with two way switch for voltage or contact input selection IN1 IN4 technically required for connecting sensors gt 5 input operation LEDs voltage contact 4x green 6 2x digital logical analog output sor relay outputs OUT1 OUT2 2x digital re
16. ork this LED will blinks When the operation is normal it will lights continuously with red The LED can be temporarily blinking when the device receives a parameter or a command through an SMS message 5 in case of LEDFIELD 1 see the Installation manual The number amount of blinks shows the GSM gradient in the actual cell this refers to the gradient level the intervals between the blinks is circa 3 seconds the interval time is around 200msec The device functioning in this operation mode when it starts When there s no successful network registration it blinks once LED 8 Alarm is active green When the device is mounted with a Contact ID expansion module and the connected alarm system is actually communicating on the alarm input the LED lights 20 LED 9 10 Outputs Alta There are two yellow LEDs for all the two outputs each one has one attaching LED When the output is active the relay closes short the associated clip The LED for the output will operate lights out LED 11 Power supply green Indicates that the circuit is under power supply or not When it lights the PCB is under 12V power supply 2 4 Main components H Microcontroller parameters Technology ATMEL megaAVR based microcontroller MCU with RISC technology gt Type ATmega324P low power and low consumption Interface type 32 pins in TOFP package Frequency 7 37 MHz 8 MIPS Address 8 bit Proces
17. s 1 Data PBCCH support Software attributes Programming SIMCom AT commands GSM 07 07 and 07 05 SIM Appl gt TCP IP stack PPP stack Audio Codecs Half rate HR Full rate FR Enhanced Full rate EFR Hands free operation Echo suppression Interfaces Status Audio 2 x analog gt External antenna mounting option 502 RTC backup serial debug connection GPIO SIM 3V 1 8V 23 2 5 Module connection capabilities There re a few optional modules which can be attached to the M2M Easy Communicator device This operation also needs a software elaboration which means program software upload and configuration regarding the requirements it could be implemented by the WM Rendszerhaz You ve only one thing to do to choose the way how and what for You d like to use the device and describe that which sensors or other equipments You d like to attach to the system Our team at the WMR will help You and support Your decision to choose the ideal module and the to find best way to reach your needs The M2M Easy Communicato device can be attached and associated with the following optional modules a no module connected the integrated SIMCOM SIM 300DZ 340DZ 900D GSM module is available only This option can be interesting when the analog phone line support is not recommended for your needs for ex DTMF codes In this mode only the general mobile cellular functions will be functioning T
18. se of proper usage only Any fault or upcoming error during the software upload refresh can lead to the device breakdown When this situation happens call our specialists 8 Certifications C C The device compliance with the R amp TTE 99 5 CE certification directives with the following standards and partly accomplish to the further standards and rules e ETSI EN 301 489 1 ETSI EN 301 489 7 ETSI EN 301 489 24 e ETSI EN 301 511 e ETSI EN 301 908 1 ETSI EN 301 908 2 e ETSI EN 60950 1 2006 29 This product assigned with CE symbol according to the European regulations This symbol on the product or packaging means that according to local laws and regulations this product should be not be disposed of in the household 9 Waste but sent for recycling Please take it to a collection point designated by your local authorities once it has reached the end of its life some will accept products for free By recycling the product and its packaging in this manner you help to conserve the environment and protect human health 2 8 Operation accessories gt ABPSO00 aluminium enclosure casing in black color enclosed The electrical circuit PCB must be used in an enclosed metal or plastic case It s highly needed to protect the device from dust and precipitation It s recommended to use at least an IP50 casing house Fim cass for the PCB we offer the aluminium enclosure to use which fits to CID the contact protection expec
19. sensors data or other provided signal or events Operation status LEDs Dedicated RTC Real Time Clock chip for handling the real time Power Management function wakes up the processor in defined intervals when a pre defined event occurs in case of low power supply design Integrated temperature sensor inside the module Watchdog function Reduced power consumption low energy consumption gt Modular construction base board electric circuit Contact ID expansion module other accessory modules with board to board standard connection switch mounting possibility CID module phone line emulation Contact ID functions DTMF decoder in case of analog line integration or when compatibility needs are required Further arbitrary accessory modules can be choose MBus RS485 RS422 industrial interface module Easy Battery accumulator module O Expander input output expansion module Short RF 868MHz ZigBee module gt Assured high availability reliable quality built in components ATMEL AVRg processor SIMCOMg module etc Analog phone line connection option Configuration deletion possibility 4 digital inputs for sensors gt 2 digital outputs for relays and alarm Antenna connection facility Software characteristics Reliable and fast special system software firmware which were specially designed and developed for industrial application areas
20. sion possibility for the Communicator device With the usage of this module the device will be able to operate as a special GPRS transmitter connection with the board to board B2B 1 and B2B 2 connector surface Generally this module is used when alarm center is also wired into the system Through the usage of the module the base communicator device PSB can be expanded with the following extra functions e phone line simulation e Contact ID functions sending CID codes 14 e Possibility for receiving DTMF codes e Compatibility with traditional devices through setting the analog line e Compatibility and data communication with phone centrals By default this device functioning as it sends the CID code for the line which were set up to the related input When we d like to use the device as a transmitter this will forward the signal which were received from the alarm center These special CID codes can be found in the CID code table pad The extension CID module is a standard equipment which can be connected to the PCB through its board 2 board connector surface 2 2 Interface option m External interface connectors gt 1 Power supply connector 2 pins gt 2 4x switchable voltage contact inputs digital analog gt 3 2x relay outputs digital analog 15 gt 4 SMA antenna connector 5 Simulated phone line connector Phone signal gt 6 Incoming analog phone line connector Line signal
21. sor CPU attributes 32 kbyte flash program storage memory area 1 kbyte EEPROM 2 kbyte internal SRAM Consumption 2 7 5 5V normal 0 4mA stand by 0 6uA power down off 0 1LA E Memory attribute s gt External memory 512 kbit EEPROM optional 21 GSM GPRS module parameters Module SIMCOM SMT module board to board surface connector Module type SIM300DZ Tri Band 340DZ or 900D Quad Band Dimensions 33 x 33x 3 mm SIHM9O0Q0 52 10405 w TAVO TYPE2 8 Attributes ee 34 BB oss E Il Mountable SMT module Zu LI ccoo80 gt rM900 v2 03 m a TTT TT gt Programmable AT interface Ideal choice for M2M applications the modem was made in small size with low power needs low power consumption Extended functions SMS Fax Data Voice emergency call CE certification External antenna option Power consumption 3 4V 4 5V GSM GPRS EGPRS attributes gt Operation mode Tri band GSM GPRS 900 1800 1900 MHz SIM300DZ Quad band GSM GPRS 850 900 1800 1900 MHz SIM340DZ SIM900D gt GPRS multi slot class 10 8 85 6kbps max DL GPRS mobile station class B GSM phase 2 2 Class 4 2W 850 900 MHz Class 1 1W 1800 1900MHz gt CSD asynchrone non transparent 2 4 4 8 9 6 14 4 kbps USSD coding schema CS1 CS4 SMS Point to Point MT MO Cell broadcast Text PDU SMS cell broadcast 22 Fax Group 3 Clas
22. tations and standards The case can be fixed and mounted to a C rail with fixing parts Various gained antenna parts You can choose various antenna types Check the product specification for finding the best type or ask our consultants Power supply The device can be operated from 230V supply It s required to use a 12V power supply 500 1000m4A as an adapter converter C rail fixation part 30 3 Parameter options list of the main parameters which can be configurable in the device software interface GPRS server settings we can define the general parameters which are required for device and the GPRS access IP settings the remote alarm monitoring center IP settings the communication ports and the connection type can be defined in the device software GPRS settings Backup channel setting life signals sending customer identification and life signal cycle interval parameters Input settings low and high values input behaviour settings Output control settings outputs behaviour settings Operation timeout settings Signal sending for the inputs input CID codes events zones values etc SMS settings messages phone number settings Voice function enable and settings Alarm settings LED signal settings 31 4 Support gt If You have a technical question regarding the usage You can find us on the following contact possibilities Email support m2mserver com 32 5 Legal notice 02012 W
Download Pdf Manuals
Related Search
Related Contents
MANUEL D`UTILISATION Modele No.: LBWC-44SWE Programming with groups and programs Sony WALKMAN FX277 User's Manual 30L / 50L SENSOR BIN INSTRUCTION MANUAL Zebra ZXP7 Grove - Infrared Reflective Sensor User Manual Copyright © All rights reserved.
Failed to retrieve file