It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty ...
Arduino is a good platform if you want to start working with electronics. The platform, specifically the Arduino Nano family, is a set of small form-factor boards that act as microcontrollers, meaning ...
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