Pin D2 receives a 0-5VDC pulse, generated with a push-button SW1 generated. Fast response time on zero-crossing of 1µs + Arduino digital processing cycles. Topology schematic available in 20250507 - ...

In these cases, a safety system with a high leakage detection ability is required. In this paper, an IoT-based safety system is proposed, which may reduce accidents caused by electricity during LPG ...

Mains-zero-crossing-detector Arduino Nano as Mains Zero-Crossing Detection Tool. Full-wave rectifies mains signal and compares it to a near-ground VDC signal to produce a 'zero' crossing signaling ...

Posted in Arduino Hacks, hardware Tagged arduino, capacitive coupling, motion detection ← Computers Beating Computers At Cricket Make Your Own Infrared Camera On The Cheap! → ...

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 → ...