The jrk 21v3 motor controller is a highly configurable brushed DC motor controller that supports four interface modes: USB, logic-level serial, analog voltage, and hobby radio control (RC). The controller can be used with feedback for closed-loop speed or position control, or it can be used without feedback as an open-loop speed control. The continuous output current is approximately 3 A in the recommended operating range of 8–28 V, with derated performance down to 5 V and transient protection to 40 V. The board ships with connectors installed as shown (no soldering required).
Compare all products in Pololu Jrk Motor Controllers with Feedback.
Dimensions
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Size:
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1.35" x 1.35" x 0.5"
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Weight:
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0.23 oz
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General specifications
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Motor driver:
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MC33926
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Motor channels:
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1
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Control interface:
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USB; non-inverted TTL serial; RC servo pulses; analog voltage1
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Minimum operating voltage:
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5 V
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Maximum operating voltage:
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28 V
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Continuous output current per channel:
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3 A
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Peak output current per channel:
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5 A
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Current sense:
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0.5 V/A2
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Maximum PWM frequency:
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20 kHz
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Minimum logic voltage:
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4 V3
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Maximum logic voltage:
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5 V
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Reverse voltage protection?:
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Y
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Partial kit?:
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N
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Notes:
- 1
- Autodetects baud rates between 300 and 115,200 bps, or can be set to any fixed baud rate in this range.
- 2
- Current readings are converted to a digital number from 0-255.
- 3
- In RC mode, the pulses can be as low as 2V.