Absf A4988 Compatible Stepper Stepstick Motor Diver Module With Heat Sink For 3d Printer Controller Ramps 1.4

Features:
Simple step and direction control interface
Thermal protection, over-current protection, ground fault protection
Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor's rated voltage toachieve higher step rates
Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
Automatic current decay mode detection / selection
Specifications:
Motor Type: Stepper Motor
Power Supply: AC
Model Number: Motor Driver Module
A4988:20*15*11mm(LWH)
Heat Sink: 9*9*5mm(LWH)
Weight: 0.8ounces
colour:red
Material:PCB
Package includes:
5 * Stepper Motor Diver Module
5 * Heat Sink

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.