Arduino Nano as Mains Zero-Crossing Detection Tool. - J4v1987/Mains-zero-crossing-detector. Skip to content. Navigation Menu Toggle navigation. Sign in Product GitHub Copilot. Write better code with ...

[Connornishijima] has stumbled on a different way to detect motion with an Arduino, ... If it were mains hum then the Arduino could measure it’s period to confirm. Report comment.

Mains power detection circuit ... Watch on Posted in hardware Tagged mains, mains detection, RLC ← Piles Of Foam With A Hot Wire Slicer Hackaday Links: July 6, 2014 → ...

Full-wave rectifies mains signal and compares it to a near-ground VDC signal to produce a 'zero' crossing signaling pulse. Comparison yields a current-sinking pulse, normally high. Pin D3 receives a ...