A4988 Stepper Motor Driver Module for RepRap

Name: A4988 Stepper Motor Driver Module for RepRap
SKU: ACT-034
Price: 79.02 ZAR
Availability: OutOfStock

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

R90.87 inc VAT

Out of stock

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SKU: ACT-034 Category: Motors Drivers Accessories

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	9.7x6.4mm 28HTSSOP

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

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