Hackaday

A Guide To Using Triacs For Switching AC For switching high-powered loads from a microcontroller, or for switching AC loads in general, most of us will reach into the parts bin and pull out a generic relay of …read more #hacking #projects

Hackaday

A Guide To Using Triacs For Switching AC

For switching high-powered loads from a microcontroller, or for switching AC loads in general, most of us will reach into the parts bin and pull ou...

Hackaday Links: January 18, 2026 Looking for a unique vacation spot? Have at least $10 million USD burning a hole in your pocket? If so, then you’re just the sort of customer the rather suspiciously …read more #hacking #projects

Hackaday

Hackaday Links: January 18, 2026

Looking for a unique vacation spot? Have at least $10 million USD burning a hole in your pocket? If so, then you’re just the sort of customer...

Accurately Aiming Audio with an Ultrasonic Array When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described it as potentially useful in getting someone’s attention from across …read more #hacking #projects

Hackaday

Accurately Aiming Audio With An Ultrasonic Array

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described it as potentially usef...