Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

While PIR sensors can be used with Arduino and other microcontroller boards, those best-suited for hobby use are smart enough to perform simple tasks without any programming.

TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project.

Posted in laptops hacks, The Hackaday Prize, Video Hacks Tagged 2021 Hackaday Prize, PIR sensor, video conferencing, working from home, zoom ← Learning To Desolder Gracefully ...