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Product specifications:
A4988 is a micro-stepping bipolar stepper driver module. The motor driver module has features like adjustable current limiting overcurrent protection overtemperature protection and five different micro-steps resolutions. It delivers approximately 1 Amp with supply from 8 V to 35 V.
Features
Five different micro-steps
Full step
Half step
Quarter step
Eight steps
Sixteen steps
Direction control
Overcurrent and over-temperature protection
Adjustable current limit
Short to ground
Shorted load protection
Automatically selects the correct current delay
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