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This Arduino UNO project involves using a SIM800H module for power surveillance and sending SMS alerts in case of a power outage or restoration. ... • VIO: Connected to a diode 1N4001, then to 5V on ...
Someone has invented a way to add Wi-Fi to a standard Arduino Uno, by proposing a module that drops into the DIL socket normally reserved for the ATmega328 – it will not work with Unos that have a ...
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