Posted in Arduino Hacks, green hacks Tagged arduino, arduino mega, control, efficiency, Heat pump, inverter, repair, swimming pool ...

Arduino’s Plug and Make Kit lets your hacking imagination run wild, sans solder Daisy-chain tiny boards into weather stations, game controllers, and way more.

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small ...