We are gonna use these four commands in our code and we will be able to receive text message on the GSM shield.AT+CNMI=1,2,0,0,0 – This command will alert our GSM shield and now whenever it will receive message, it will automatically send an alert on the serial port.In other words we are telling our shield that we are expecting a text message. AT + CMGF = 1 – This command will convert the message style to text.AT – Just to check that your GSM module is working fine.ATE0 – IT is used to turn off the Echo of GSM shield.I have explained in my previous post that all GSM modules work on AT commands, so here first of all we are gonna have a look on AT commands we are gonna use for receiving the SMS.

There are many GSM modules available in the market so it doesn’t matter which one you are using unless its having SIM900 module in it.Receive SMS with AT Commands using Sim900 and Arduino Moreover, also have a look at Send SMS with Sim900D in Proteus ISIS in which I have designed a simulation of sms sending in Proteus ISIS.

You must also check GSM Library for Proteus, using this library you can easily simulate your GSM module in Proteus ISIS. So, let’s get started with How to receive SMS with AT Commands using SIM900 and Arduino. I have also posted tutorial on How to Receive SMS with SIM900 & PIC Microcontroller and How to Send SMS with PIC Microcontroller so if you are working on PIC Microcontroller then you must give it a look. We can also interface our GSM board with other microcontrollers like PIC Microcontroller as well as 8051 Microcontroller. We have designed this code after a lot of effort that’s why this code isn’t free but we haven’t placed a very small amount of $20 so that engineering students can also buy it easily. So, first of all we will place a check that whenever someone sends a message to our SIM900 module, we get notified and after that we will extract the message and the mobile number of sender. Now, after you get notified, there’s a need to read the message as well and also who has sent this message. Today, we are gonna cover this how to receive SMS with AT Commands in detail. So, ideally whenever anyone send a message to your SIM900 module, you should get notified. But receiving a text message on your SIM900 shield is a bit difficult because now you need to place a check when user will send a message. Sending SMS is quite easy, you just need to write some AT commands and write the message you wanna send and hit the Cntrl + Z and it will be sent. I have already posted a tutorial on How to Send SMS with Arduino UNO and Sim900, so now we are gonna check the opposite. Today, as the name suggests, I am gonna post on how to Receive SMS with AT Commands using Sim900 and Arduino. Hello friends, hope you all are fine and having good health.

Decipher text activation code