65 × 80 mmboard size
4 layersGND & VMOT inner planes
Through-holeevery part hand-solderable
19.5 V inone laptop charger runs motors and logic
Before you fit the modules
- Verify the silkscreen pin labels match the pins of the ESP32 and of each TMC2209: not turned round 180°, not offset by a pin.
- Set the LM2596 to 5.0 V with no load, before it touches the ESP32.
- Meter the supply and jack polarity: centre positive.
All files are for Rev-D, board id d4ed-3b79