Hacker News @h4ckernews@mastodon.social · activity timestamp 3 days ago I made a 10¢ MCU Talkhttps://www.atomic14.com/2025/10/29/CH32V003-talking #HackerNews #MCU #Talk #10cent #Atomic14 #Tech #Innovation Read more Read less atomic14 I made a 10 Cent 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... Reply Boost Quote pending approval Like More actions Copy link Flag this post Block
