Vibe-Coded Personal Microwave Radar Board
Casey Handmer
@CJHandmer · 69.8K followersCasey Handmer asked Claude Opus 5.5 to vibe code the software for a personal radar, and the result is a real green PCB covered in patch antennas, silkscreened "Here be microwaves" and "-6.6 dBm of pure love". Aim it at a person and it tracks their position, heart rate and respiration rate, with the live readout on seven-segment LED displays (79 bpm in the shot). It's a physical device doing contactless vital-sign sensing, not a mockup. Handmer's verdict: yes, Opus 5.5 can do it, and he's off to hunt buried treasure.
- Tracks position, heart rate and respiration rate of a person with microwave radar, no contact needed
- Runs on custom Terraform Industries hardware: a three-antenna PCB with an ESP32 and seven-segment readouts
- Opus 5.5 handled the radar signal-processing code, a domain most people wouldn't trust to a vibe-coding session
“If you have ever wondered can Opus 5.5 vibe code a personal radar that can track your position, heart rate, and respiration rate, the answer is yes. Yes it can. BRB looking for buried treasure.”
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