ESP32-C3 Badge
Electronics / PCB — Jul 2026
A business card that lights up. A custom ESP32-C3 board with a 36-pixel display, designed and sent to fab in a day.
Hack Club Fallout IRL, one-day build
What I did
- Designed a custom PCB in KiCad around an ESP32-C3, with 36 NeoPixels as a low-res display and two input buttons.
- Ordered from JLCPCB with a placement file for assembly.
Stack
- KiCad
- ESP32-C3
- NeoPixel
- JLCPCB