SparkFun Big Easy Driver

Der Big Easy Driver von Brian Schmalz ist ein Treiberboard für Bipolare Schrittmotoren bis zu 2A/Phase. Es basiert auf dem Allegro A4988 Treiber IC.

Each BigEasyDriver can drive up to about 2A per phase of a bi-polar stepper motor. It is a chopper microstepping driver which defaults to 16 step microstepping mode. It can take a maximum motor drive voltage of around 35V, and includes on-board 5V/3.3V regulation, so only one supply is necessary. Although this board should be able to run most systems without active cooling, a heatsink is recommended for loads approaching 2A/phase. You can find the recommended heatsink in the related items below.

Note: The arrow indicators on the current adjustment potentiometer is backwards. Keep this in mind if you're adjusting the current limits.

Note: This product is a collaboration with Brian Schmalz. A portion of each sales goes back to them for product support and continued development.

Features:

• Bi-polar Microstepping Driver
• 2A/Phase Max
• Max Motor Drive Voltage: 35V
• On-board 5V/3.3V Regulation

Links:

• Brian Schmalz' Homepage

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