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 ...
The SIM800L Arduino Library is a simple and easy-to-use library for the SIM800L module, allowing for quick and efficient communication with the module using the Arduino platform.
Hi. I tried to make a simple gadget for watering my remote garden on SMS. I have bought Arduino Uno Rev.3, Sim800L module and couple of relays. Sim800L module RX/TX are connected to 8/7 Arduino pins.
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