✍ This breakout board for Allegro’s A4988 micro-stepping bipolar stepper motor driver features adjustable current limiting, over-current and over-temperature protection, and five different micro-step resolutions (down to 1/16-step). It operates from 8 V to 35 V and can deliver up to approximately 1 A per phase without a heat sink or forced air flow (it is rated for 2 A per coil with sufficient additional cooling). This board ships with 0.1" male header pins included but not soldered in.

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▼ Features :-
Simple step and direction control interface
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 to achieve 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
Short-to-ground and shorted load protection
Made as pluggable modules to a electronics motherboard. A good reason of this design is, that it is easy to exchange the module boards when troubleshooting - or when a board has burned out.

▼ Specification :-
Operating voltage: 8V ~ 35 V DC
Continuous current per phase: 1.2 A2
Maximum current per phase: 2 A3
Minimum logic voltage: 3V
Maximum logic voltage: 5.5V
Microstep resolutions: full, 1/2, 1/4, 1/8, and 1/16
Weight: 3.7g

▼ Applications :-
Stepper motors
3D printer, CNC, engraving machines
Supported 3d printers like Prusa Mendel, ultimaker, printbot, makerbot and so on

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▼ Package included :
1 * A4988 module
1 * Heatsink

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