Modem Lab: Dial up, slowed down. Pick two real modems and a bad phone line, then hear every stage of the handshake explained. Mom picks up the phone included.
Sarah, My AI Phone Caller: I ask Claude a question. Sarah, my AI caller, phones the business, asks it, and reports back. Nineteen calls and counting.
TVArgenta: A 3D printed retro TV. Swear at it and it puts Johnny Carson, cartoons, or the news on.
ScanMoines / DSMRadar: A Raspberry Pi with two radios listens to Des Moines public safety radio and turns it into readable stories, with the original audio.