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These are the first projects I made with my Arduino

One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...
EDN

SIM800L ONE-CHANNEL SMS RELAY

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 ...