Feature:Simple step and direction control interface
5 different step resolutions:full-step, 1/2-step, 1/4-step, 1/8-step, and 1/16-step
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
Short-to-ground and shorted-load protection
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 to achieve higher step rates
Using the driver:Power connections:The driver requires a logical supply voltage (3 – 5.5 V) to be connected across the VDD and GND pins and a motor supply voltage (8 – 35 V) to be connected across VMOT and GND. It can deliver up to appr. 1 A per phase without a heat sink or forced air flow.
Motor connections:4, 6, and 8-wire stepper motors can be driven by the A4988 if they are properly connected.
Package Included:1 x Stepper Motor Driver Module
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