ULN2003AN stepper motor driver module with four logic inputs, four indicator LEDs, a five-position motor connector and a 5–12 VDC supply range; rated up to 500 mA per channel by the exact OpenCircuit item 10033 page.
Five-position motor connector; individual contact order is not asserted by the source.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| IN1 | GPIO | ||
| IN2 | GPIO | ||
| IN3 | GPIO | ||
| IN4 | GPIO | ||
| + | Power | 5-12 | |
| - | Ground | ||
| Motor connector | Unknown | Five-position motor connector; individual contact order is not asserted by the source. |
Five-position motor connector; individual contact order is not asserted by the source.
5 V · 12 V · Wired
Verify supply voltage and logic levels before powering up.
Module pins: +, -. Schematik maps them to your board in the app.
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