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Used Industrial Tri-band GPRS SIM Module B20 Version Model Number: SIM; Main Circuit Rating Current: 0; Electricity Type: 0; Phase: 0; Number of Pole: 0; Main Circuit Rating Voltage: 0 SIM is a tri-band GSM/ GPRS module solution with board connectors . SIM V SIM GPRS free delivery. GSM SIM modem has serial interface and plug and play facility. SIM modem can be used to send receive, SMS, and make the calls, and do the basic. I am an arduino tinkerer, I want to interface my SIM GSM module with arduino uno board. With the GSM modem I wanted to build a security systems of a store room where inflamable gases are Dec 03, , am.

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Our Objective is to provide engineering and educational services to students and educational institute. Actually i tried HEX command instead of BYTE and i was able to compile the program…in serial monitor i am getting 22 infront of kodem mobile number and 22 infront of my message…. General Packet Radio Service Modem. Cancel reply Enter your comment here Nirav Shah August 26, Notify me of new comments via email. Sim has an RS interface and this can be used to communicate with the PC.

Please help modek to receive correct send SMS.

If you are getting some problem, post it here and I will try to solve it. I am also posting the picture of my modem which is shown below. Command to read an SMS at the index one. The GSM Modem continnously echo’s back the every byte of data sent to modem until a carriage return charater is sensed. I used your code and connected sim Tx,Rx,gnd pins directly to arduino tx,Rx pins but its not working… how to solve this problem? This is a GSM modem which has a serial interface and plug and play facility.


Hey i have failed to get any gsm module i was looking for using proteus isis.

SIM GSM module interfacing

Very innovative idea Datashheet. OR whatever i have done is correct or its wrong? So, you might find different libraries for the GSM modem Sim Which version of arduino software are you using??? Sim is a widely used in many projects g7.03 hence si3m00 variants of development boards for this have been developed.

All the tiny components are fitted inside that can not be made with our hands so easily. Dhamu December 2, Esra’a February 14, The code is given below:. If you have any scripts for the same that you can share. It has power regulation, SIM holder and external antennas. For that you will have to directly connect your Sim to the pc with the help of serial or usb cable.

There are many pins in simm300 Arduino which can be used to connect different things to it. Hi, you can use either of them.

Yes, sim is gm compatible. You can use it easily with some few connections. Log in or register to post comments reads.


Abishai December 3, Than by using those AT commands you can make your arduino read the msg. Dhamu January aim300, Hey Debash, what is the error message?

To prevent such a condition a watchdogtimer is set with a time of 2 seconds approximately. Abishai April 7, Hi Abishai, thanks for sharing your knowledge with the community.

Hi, I have some question gs arduino with SIM SPI Module of Arduino. I need the same project. P C Pant February 25, Send AT command and wait ism300 the response. I used a piezo electric sensor to sense the strike and as per the code, it is posted in my blog. Send command to check if the sim is registered to the network.

In this case ECHO is turned on to see how commands are sent and how they are processed.


Hi, can you give me details about how to make this project using at89s52 micro controller Reply. No Uday, it is only mode v7. Hi, is there any way to track the current location of the device without using gps, for ex: Ankita April 7, There are some changes in Arduion 1.

Thank you sir sim v7. Nature of Business Wholesale Trader. I am getting 22 before my number and message in serial monitor but i am not receiving any sms in my phone.