Chris Greening personal blog
I made a 10¢ MCU Talk
I taught a 10¢ CH32V003 RISC‑V MCU to talk. By bit-banging PWM as a DAC and using a tiny 2‑bit ADPCM decoder, I squeezed ~6–7 seconds of recognizable audio into 16 KB of flash. Then I went full ret...
- Points
- 206
- HN comments
- 53
- Submissions
- 1
- Cited by
- 0 commenters
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Oct 29, 2025 | I made a 10¢ MCU Talk by iamflimflam1 | 206 | 53 |
