GSM/GPRS Trai board GSM/GPRS Trainer board RS
Contents
1. IZ 40 GPIONKBR4 DISP_DIC 13 39_ GND DISP CS IT Z sc VDD_EXT I5 T SDA NRESET 16 E PWM2 GND 1 33 PWM aE BHH bH BBE a E a H SEERRGERAEE SEE 2 2 vz zzz a5 g25 4 rp r a zZ A Table 4 Pin Description TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHOP Explore Innovate TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHOP Explore Innovate TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHOP Explore Innovate Se RP ei 2 1 8V or 3V SIM card a aN ne ie SIM DATA 31 IO SIM data input output omen e inua with a TVS diode array SIM_RST 33 O SMreset e EREN 34 I SIM card detection Tf it is unused keep open ADC 25 I Inputvoltage range OV 2 8V If it is unused keep open NRESET 16 I Reset mput Active low a 100nF capacitor PWM1 35 O PWM If these pins are unused PWM2 36 O PWM keep open controlled to 509 NC 2 6 s To know more about this module please check this datasheet and see this AT command list for AT command set 2 SIM Connector A SIM connector is provided on Top of the board Place your mobile SIM here and SIM900 will be registered to the network Note As soon as it happens the Red LED starts blinking slowly Fig SIM card Holder TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 12152. SPI display interfaces will give users the flexibility to develop customized applications SIM900 is designed with power saving technique so that the current consumption is as low as ImA in sleep mode SIM900 integrates TCP IP protocol and extended TCP IP AT commands which are very useful for data transfer applications Table 1 SIM900 Key Features TECHSHOP Explore Innovate TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHOP Explore Innovate SIM900 works at this temperature but some radio frequency characteristics may deviate from GSM specification Table 2 Coding schemes and maximum net data rates over air interface Operating modes The table below summarizes the various operating modes of SIM900 Table 3 Overview of operating mode TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHOP Explore Innovate TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHOP Explore Innovate SIM 900 Pin Diagram Z ECE ErTET ieee 2322242232555 5448 FAFA AA AREA HHn PWRKEY I lt CST GPIOIO KBCO PWRKEY_OUT I C37 GPIO9KBC prr 3 ao GPIOsKBC R CZ 43 GPIOTKBC3 pep C3 ZFT GPIO6S KBC4 DSR 46 GND cts mya 45_ GND RTS CS aude Z GPIOS KBRO 3 TOP VIEW TA GPIONKBRI RD 0 CAI GPIO3 KBR2 DISP AK IT aT GPIOXKBR3 DISP DATA
3. powered a green led will be on 10 Network Indicator LED A red led blinks indicating module network 11 Power Jumper Manually to start the module regulator we can use jumper wire Otherwise from microcontroller if we set the PD7 pin 21 high then the module regulator will also be on So to turn on the module we must use jumper or set PD7 pin high Ss TECHSHOP Explore Innovate Fig Power jumper Power amp Network indicator LEDs 12 ZIF Socket SIM900 evaluation board features a ZIF socket which is compatible with ATmegal6 and ATmega32 Once you place any Microcontroller of these two series that will be interfaced with the SIM900 Module Fig Zif Socket amp I O Pins amp Reset Button 13 I O Pin out I O Pins are provided in both sides of the ZIF socket With the help of these Pin outs you can access all the pins of the AVR microcontroller placed on the ZIF socket 14 Reset Button The Reset Button at the left corner of the board resets the microcontroller placed on the ZIF Socket Fig Reset Button 18 15 Status Out Pin We can figure out the module status reading this pin Moreover from microcontroller PC2 pin 24 indicates the status of the module If the module s status is on then this pin becomes high and vice versa Explore Innovate Fig Status Out Pin 16 VCC and GND Pins VCC and GND pins are provided in the board so that you can connect the board to any other externa
4. Bangladesh TECHSHOP Explore Innovate Fig SIM Card Placement 3 Audio Jack With the audio jack you can attach headphone and make talk while sending or receiving voice calls Fig Audio Jack Note You have to use the headphones for mobile phone to use with this board Computer compatible headphones will not work 4 Green Connector The 2 pin Green connector is for power supply Connect the two terminals of the power supply to the green connector Fig Green Connector 5 Power Button If power button is pressed then the module is on From microcontroller we can also power the module using PCO pin 22 If we send 1s pulse on PCO pin then the module will also on When it is on if we send Is pulse again to PCO the module will be turned off 16 TEC j Qi i Explore Innovate Fig Power Button 6 M_Reset Button When we press the button the module will be reset We can also do this operation from microcontroller using PC1 pin 23 If we send 1s pulse on PC1 pin then the module will reset Fig M RST Button 7 Serial communication Pin out Serial communication pins lets the devices to be connected to Computers and microcontrollers via serial port Serial port pins are also routed to Zif socket Compatible with ATmegal6 or ATmega32 Fig Serial Communication Pins 8 Embedded Antenna No external antenna is needed Fig Embedded Antenna 9 Power Indicator LED When is board is
5. GSM GPRS Trainer board UseR Manual Explore Innovate Document Title GSM GPRS Trainer Kit Version 1 1 Date 2014 08 07 Status Released Document Control ID GSM GPRS Trainer Kit V1 1 j General Notes TechShop offers this information as a service to its customers to support application and engineering efforts that use the products designed by TechShop The information provided is based upon requirements specifically provided to TechShop by the customers TechShop has not undertaken any independent search for additional relevant information including anyinformation that may be in the customer s possession Furthermore system validation of this product designed by TechShop within a larger electronic system remains the responsibility of the customer or the customer s system integrator All specifications supplied herein are subject to change Copyright This document contains proprietary technical information which is the property of TechShop Bangladesh Limited copying of this document and giving it to others and the using or communication of the contents thereof are forbidden without express authority Offenders are liable to the payment of damages All rights reserved in the event of grant of a patent or the registration of a utility model or design All specification supplied herein are subject to change without notice at any time a TECHSHOP Explore Innovate Copyright TechShop Bang
6. Then Hit the Power button As soon as you power up the board the Green LED will start glowing and The Red one will start blinking fast Fig Green Connector and Power LED and Netlight LED Fig Power Button Fig Power LED glowing and Netlight LED Blinking TECHSHOP Explore Innovate What s on Board 1 SIM900 Module 2 SIM Socket 3 Audio Jack 4 Green Connector 5 Power button 6 Reset Button for SIM900 Module 7 Serial communication pins 8 Embedded Antenna 9 Power indicator LED 10 Network Indicator LED 11 Power Jumper 12 ZIF Socket 13 I O Pins 14 Reset Button for Microcontroller 15 Status Out Pin 16 VCC and GND Pin TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh TECHSHO Explore Innovate 1 SIM900 Module SIM900 is a quad band GSM GPRS module that works on frequencies GSM 850MHz EGSM 900MHz DCS 1800MHz and PCS 1900 MHz SIM900 features GPRS multi slot class 10 class 8 optional and supports the GPRS coding schemes CS 1 CS 2 CS 3 CS 4 2 1848S 2895P 281298 iii iia FCC ID UDV 091214200900 ceo9s0 j Fig SIM900 Module SIM900 has 68 STM pads and provides all hardware interfaces between the module and customers boards Serial PORT and debug PORT can help user easily develop user s application Audio channel which includes a microphone input and a receiver input Programmable general purpose input and output The keypad and
7. l board or module Fig VCC amp GND Pins 4 Connecting SIM900 evaluation board to your PC To interface SIM900 with your PC or laptop you need an USB to serial converter Here we have used our USB to Serial Converter FT232RL Step 1 Power up the evaluation board as mentioned above and Connect the following pins of the evaluation board and USB to serial converter together SIM900 Evaluation Board USB to Serial Converter FT323RL TX RX RX TX GND GND Step 2 Then connect the USB to Serial converter to your computer through an USB A to Mini B Cable ea TECHSHOFP Explore Innovate Step 3 Open the Serial monitor Here we have shown the serial monitor of microC for AVR By clicking on MicroC for AVR gt Tools gt USART Terminal The following window will appear in that case COM Port Settings Com Port COMES Send Repeat sending Sanda SAN Support ASCII V Append New Line S Send ASCII Ropes soning very Stop Bits Send as typing Parity 1000 miliseconds Send from file tait Sendings Data bits Clear Add Time Buffer size 1024 Flow control None Dats Format New Line Settings asc CR LF Ox0D Ox0A HEX D DEC BN CR 0x0D LF 0x0A Commands 7 Receive t Disconnect Log to file Auto Connect Add Time 7 Append to end of file Messages Clear Connected
8. ladesh Ltd Dhaka Bangladesh 2013 Version History 2014 08 06 1 0 First Released TechShop 39 ARA Bhaban KaziNazrul Islam Avenue Karwan Bazar Dhaka 1215 Bangladesh Explore Innovate Contents 60110 1 ee ene E ee RT ee eee ee ne ee Version History I AMP OGUCION 3 bata ites tide ieetinad e EA A aE E E ENEE GEEAE das 2 Powering up the board 3 What s on board 1 SIM900 Module 2 Sim Connector 3 Audio Jack 4 Green Connector 5 Power Button 6 M Reset Button 7 Serial Communication Pinout 8 Embedded Antenna 9 Power Indicator LED 10 Network Indicator LED 11 Power Jumper 12 Zif Socket 13 1 O Pinout 14 Reset Button 15 Status Pinout 16 VCC GND Pins 4 Connecting SIM900 evaluation board to your PC 14 15 15 15 16 16 16 16 16 16 17 17 17 18 18 18 TECHSHOP Explore Innovate Introduction TechshopBD s GSM GPRS trainer board is based on SIMCOM s SIM900 Quad Band GSM GPRS module This trainer board provides all facilities needed to interface the GSM GPRS module with the serial port of any device like microcontroller or computer via serial port By using this boardyou can perform sms call and internet based communication with the help of AT commands for SIM900 Powering up the board Green Connector The 2 pin Green connector is for power supply Connect the two terminals of the power supply to the green connector and place the power jumper
9. to COM66 Please check the AT command set of SIM900 modem
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