Sample Codes for beginners working with GSM SIM900 Modules using Arduino
It is very easy to set up the SIM900 Module with an Ardiuno Uno for your IoT Projects.
Follow this tutorial to get started: https://blog.device-interactions.com/2020/01/arduino-iot-projects-getting-started.html
This is an interesting project you can try.
Find the tutorial here: https://blog.device-interactions.com/2020/01/gsm-arduino-based-home-automation-using.html
Get the Arduino Code here: https://github.com/deviceinteractions/arduino-gsm/blob/master/AT-SMS-Control-wLCD.ino
This is a great way to start working with TCP/IP Internet Protocols with your GSM Module.
Here is the Ardiuno Code for HTTP Get requests with GSM: https://github.com/deviceinteractions/arduino-gsm/blob/master/AT-httpGet.ino