3D Printer Reprap Stepper A4988 Driver Module With Pitch and Heatsink
3D printer Reprap Stepper A4988 driver module with pitch and heatsink
Module Description
Red board Rs 0.2ohm, the maximum current 1A
Size: 1.5mmX2mm
Can drive current: 1A
Manufacturing Process: SMT placement machine manufacturing
A4988 features are the following:
1, suitable for driving 8V ~ 35V 2A following the stepping motor;
2, only a simple step and direction control interface;
3, five different stepping modes: full, half, 1 / 4,1 / 8 and 1/16;
4, adjustable potentiometer can adjust the maximum current output, resulting in higher step rate;
5. Automatic current decay mode detection / selection;
6, thermal shutdown circuit, undervoltage lockout, crossover current protection;
7, ground short-circuit protection and load short-circuit protection
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