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 - ...

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 detection 2 Articles Decabit: Or The Conspiracy Theory That Wasn’t December 6, 2016 by Elliot Williams 69 Comments ...

In response to this new strike vector, this paper explores the Arduino ecosystem as a novel approach to creating a distributed sensor network capable of detecting sUAS. We propose an Arduino-based ...

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 ...