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$4 RP2040 voice storyteller

Speech recognition and a from-scratch LLM on a $4 chip.

By @azhar0406

Est. cost
$4
Posted
Likes on X
21 (X post)
$4 RP2040 voice storyteller: image from the original post
Image hot-linked from the original post.

Overview

Say three words and a 2.7M-parameter LLM trained from scratch writes a story about them, streamed to a tiny OLED. Everything runs on a $4 RP2040 board (Shrike-lite).

How it works

On-device speech recognition + tiny LLM on an RP2040.

Hardware

  • Shrike-lite RP2040
  • mic
  • OLED

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