Pololu A4988 Stepper Driver Kit
Elevate your 3D printer's performance with the UltiMachine Pololu A4988 Stepper Driver Kit. This essential accessory provides precise control for bipolar stepper motors, featuring adjustable current limiting for optimal performance and five microstep resolutions for smooth, detailed movements. It operates reliably within an 8 V to 35 V range, delivering up to 2 A per coil, and includes built-in protections like over-temperature shutdown. The kit comes complete with a breakaway header for easy integration into your projects, with optional heatsinks and professional assembly available.
$13.00
Owner Satisfaction
4.3
/ 5
Category Rank
392
/ 532
#392 in 3D Printer Accessories
Price vs Category Average
-69%
Below average
Driver IC
4988
/ A
Who it's for
- Low Cost and High Availability
- Simple Step/Direction Interface
- Integrated Microstepping
Who should skip it
- Significant Thermal Constraints
- Limited Microstepping Resolution
- Audible Noise Generation
Key Specs
Driver IC
A4988
Operating Voltage (Motor)
8 – 35 V
Logic Supply Voltage
3 – 5.5 V
Maximum Current per Coil
2 A
Microstep Resolutions
Full, Half, Quarter, Eighth, Sixteenth
Header Type
0.1" male (1x16-pin breakaway)
Current Sense Resistors
0.05Ω
Form Factor
Breakout Board
Features
- Precise bipolar stepper motor control
- Adjustable current limiting
- Five microstep resolutions
- Over-temperature thermal shutdown
- Simple step and direction interface
- Drop-in replacement for A4983
- Crossover-current protection
- Supports up to 2A per coil
What customers say
This stepper driver kit is overwhelmingly praised as a foundational and cost-effective component for motion control, especially in 3D printing and small CNC projects. Users consistently highlight its exceptional value and reliability due to its standard integration. The core strength is its unbeatable price to performance ratio for entry-level builds. However, successful operation hinges entirely on proper configuration. Feedback strongly emphasizes the critical need for mandatory heatsink use and correctly setting the current limit. While newer drivers offer quieter performance, the A4988 remains the reliable budget standard when users adhere strictly to thermal and setup guidelines.
Still have a question?
Ask Hayley anything about this product before you decide.