$product_tour_enabled = et_builder_is_product_tour_enabled(); $page_container_style = $product_tour_enabled ? ' style="padding-top: 0px;"' : ''; ?>
012 030 1580   0 Items

A4988 Stepper Motor Driver Module for RepRap

R90.87 inc VAT

1A stepper motor driver module. Work excellent with our  CNC shield.

Out of stock

SKU: stepper-130 Categories: ,


Adjusting the stepper driver current
See these instructions: Pololu_stepper_driver_board#Tuning_motor_current.

  A4988 DRV8825
Max. theoretical current 1.5A 2.5A
Max. microsteps 16 32
PCB color Green / Red Purple
Stepper current adjust. trimpot Yes, near Dir pin Yes, near En pin
Typical Rs value 0.05 Ohm or
0.1 Ohm or
0.2 Ohm
0.1 Ohm
Vref formula (*) I_TripMax= Vref/(8*Rs) I_TripMax= Vref/(5*Rs)
Thermal Overload Protection (**) Yes Yes
PCB layers 2 4
Small heatsink included (***) Almost always Sometimes not
Active cooling required? Recommended Recommended
IC packaging 5x5mm 28-lead QFN 9.7×6.4mm 28HTSSOP



Packing list: 1 x stepper driver, 1 x heat sink


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.