XDA Developers on MSN

5 reasons a basic Arduino board is the best addition to your home lab

I f you have a home lab, you probably think first about servers, networking gear, and SBCs. Those are all great tools, but ...
KahawaTungu

How To Connect A Relay To A Starter

Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the ...
Hackaday

Relay Computer Knows The Sequence

When we first saw [DiPDoT’s] homebrew computer, we thought it was an Altair 8800. But, no. While it has a very familiar front panel, the working parts are all based on relays. While it ...
GitHub

An Arduino project for controlling a solid-state-relay for a water heater

A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...
GitHub

pzem-004t

Arduino/ESP32 library to easily read data from Peacefair energy monitoring devices (PZEM-004T, PZEM-003, PZEM-017, PZEM-6L24 and PZIOT-E02) ...