Two-phase stepper motor driver with up to 32 micro-step resolution and 4A current capacity. Supports micro-step and current adjustment with anti-interference protection.
stepper coil A positive
stepper coil A negative
stepper coil B positive
stepper coil B negative
motor supply positive
supply ground
pulse positive input
pulse negative input
direction positive input
direction negative input
enable positive input
enable negative input
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| A+ | motor? | motor output | stepper coil A positive | |
| A- | motor? | motor output | stepper coil A negative | |
| B+ | motor? | motor output | stepper coil B positive | |
| B- | motor? | motor output | stepper coil B negative | |
| VCC | power? | power | motor supply positive | |
| GND | power? | ground | supply ground | |
| PUL+ | signal? | signal | pulse positive input | |
| PUL- | signal? | signal | pulse negative input | |
| DIR+ | signal? | signal | direction positive input | |
| DIR- | signal? | signal | direction negative input | |
| ENA+ | signal? | signal | enable positive input | |
| ENA- | signal? | signal | enable negative input |
PWM · I2C · UART · Wide input · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VCC, GND, PUL+, PUL-, DIR+, DIR-, ENA+, ENA-. Schematik maps them to your board in the app.
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