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A4988 Stepper Motor Driver Breakout Board
AdafruitN/A
A4988 Stepper Motor Driver Breakout Board for precise motion control with microstepping support.
In stock
Specifications
6- Operating Voltage
- 3.3V to 5V (logic) / 8V to 35VDC (motor)
- Flash
- N/A
- Ram
- N/A
- Gpio Count
- 12
- Dimensions
- 40x35mm
- Connectivity
- Stepper Motor Control Pins, Current Potentiometer, ROSC Jumpers
Pinout
15| Pin | Name | Functions | Notes |
|---|---|---|---|
| VDD | VDD | POWER | Logic voltage input |
| + | Motor Voltage Input | POWER | Supply 8V to 35VDC for your motor |
| GND / - (terminal block) | GND | GND | Common ground for power and logic |
| DIR | Direction Control Pin | GPIO | Set spin orientation by pulling high or low |
| STEP | Microstep Control Pin | GPIO | Toggle for step/microstep control |
| MS1 | Microstep Selection 1 | GPIO | Tie low to change microstep mode |
| MS2 | Microstep Selection 2 | GPIO | Tie low to change microstep mode |
| MS3 | Microstep Selection 3 | GPIO | Tie low to change microstep mode |
| RST | Reset Pin | GPIO | Pull low to reset the A4988 |
| SLP | Sleep Pin | GPIO | Pull low for low power sleep mode |
| EN | Enable Pin | GPIO | Pull high to disable output to motors |
| 1A | Stepper Motor Control 1A | GPIO | Connected to DMOS bridge 1 |
| 1B | Stepper Motor Control 1B | GPIO | Connected to DMOS bridge 1 |
| 2A | Stepper Motor Control 2A | GPIO | Connected to DMOS bridge 2 |
| 2B | Stepper Motor Control 2B | GPIO | Connected to DMOS bridge 2 |
Interactive pinout
Highlight:
N/A
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