Have you ever been Rickrolled? The bait-and-switch gag is a web classic. But why should the cheesy music of Rick Astley be confined to the internet? Now it doesn’t have to be thanks to computer engineer Zach Rattner.
Zach has created an open source, Arduino-powered device that plays Astley’s “Never Gonna Give You Up” whenever someone walks within 6 feet of the unit’s ultrasonic sensor. When they walk away the music stops, but picks up where it left off when the Rickrollee steps back in range. Zach offers details on the build right here. I love it and so will you.