Well it’s gotta be an air conditioner ... This thoroughly modular design uses an Arduino Uno and a relay module to drive four submersible pumps. The pumps are mounted on a LEGO base and sunk ...

An Arduino measures the ... great idea but wonder if leaving the air conditioner unit switch in the ‘on’ position and turning the unit on/off via a relay connected to the 120vac line would ...

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

These are essentially homemade air conditioners that use ... using various components like an Arduino Pro Mini, an OLED display, and a Bluetooth module to create a functional DIY smartwatch.