Install library: Sketch->include Library->Add.zip library
Download library:https://code.google.com/archive/p/gsm-shield-arduino/
You will need : an arduino, gsm shield SIM900, L293D or L293B, An RC toy car.
Install library: Sketch->include Library->Add.zip library
Download library:https://code.google.com/archive/p/gsm-shield-arduino/
You will need : an arduino, gsm shield SIM900, L293D or L293B, An RC toy car.