Teachable Machine Local

Train an image classifier in your browser. Nothing is uploaded — everything runs on this machine.

1. Classes

2. Training

Add at least 2 classes with samples.

Advanced

3. Preview

Train a model to see predictions.

Exports model.json, weights.bin and metadata.json — the standard Teachable Machine format, loadable by @teachablemachine/image.

Reopen a previously exported image model to test it or stream to a micro:bit — no retraining needed.

4. micro:bit

Train a model first, then connect.

Sending: —

The winning class name is streamed over USB serial (115200 baud) as text lines. Receive it in MakeCode with serial on data received — recipe in docs/microbit-receiver.md.