Sending SMS using Atmega16

Hello Friends, in this post we are going to send text sms using atmega16a and Gsm module.

First of all, GSM module is communicated using atmega16a using serial communication.

Stuffs required:

1. Atmega16a 
2. GSM module
3. 12V, 2A dc adapter
4. Sim card having sms pack
5. Some jumper wires

Connection:

Make connection like this. 

Atmega16a                              GSM module

Tx              ========>          Rx

Rx              ========>          Tx

Gnd            ========>          Gnd