UltiMachine Pololu A4988 Stepper Driver
Best precision upgrade for DIY 3D printer enthusiasts.
This is the gold standard for upgrading your printer’s motion control, offering the granular precision needed for truly smooth prints. It requires a bit of hands-on installation, but the payoff is significantly quieter operation and far more reliable, accurate movement than stock drivers typically provide.
$13.00
at
Ultimachine
Who it's for
- Budget-conscious hobbyists building affordable 3D printing projects
- Makers needing simple integration with Arduino microcontrollers
- Users seeking smoother motor movement and better positional accuracy
Who should skip it
- Builders unable to manage active cooling or heatsink installation
- Engineers requiring ultra-high precision for complex mechanical tasks
- People working in quiet environments sensitive to motor noise
Performance breakdown
Motion Precision
Microstepping capabilities deliver smooth, reliable movement for high-fidelity 3D prints.
Thermal Management
Integrated shutdown protection prevents damage, though active cooling is highly recommended.
Installation Ease
Breakaway headers and standard pinouts make swapping drivers a straightforward task.
Power Versatility
Wide voltage range supports diverse motor setups and robust power delivery.
Compatibility
Acts as a seamless drop-in replacement for most standard FDM printer boards.
Current Control
Adjustable limiting allows for fine-tuning torque to match specific motor requirements.
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
Accessory Type
Stepper Motor
Compatible Printer Technology
FDM
Know before you buy
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Ask Metto anything about the UltiMachine Pololu A4988 Stepper Driver before you decide.
