A4988 Stepper Motor Driver Module For 3D Printer


30 in stock

$ 3.00

30 in stock

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  • 100% Brand new and high quality.
  • This product is a breakout board for Allegro’s A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection; please read the A4988 datasheet carefully before using this product.
  • This stepper motor driver lets you to operate bipolar stepper motors in full-, half-, quarter-, eighth-,
  • and sixteenth-step modes, with an output drive capacity of up to 35 V and 2 A.
  • The translator is the key to the easy implementation of the A4988.
  • Simply inputting one pulse on the STEP input drives the motor one microstep.
  • There are no phase sequence tables, high frequency control lines, or complex interfaces to program.
  • The A4988 interface is an ideal fit for applications where a complex microprocessor is unavailable or is overburdened.
  • 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
  • Warning
  • Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.(More generally, rewiring anything while it is powered is asking for trouble.)


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