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Pololu Jrk 21v3 USB Motor Controller with Feedback
 
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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 included but not soldered in, allowing for custom installations.
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| Description | Specifications (15) | Pictures (21) | Resources (8) | FAQs (2) |
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Dimensions
| Size: | 1.35" x 1.35" x 0.4"1 |
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| Weight: | 0.23 oz |
General specifications
| Motor driver: | MC33926 |
|---|---|
| Motor channels: | 1 |
| Control interface: |
USB; non-inverted TTL serial; RC servo pulses; analog voltage2 |
| Minimum operating voltage: | 5 V |
| Maximum operating voltage: | 28 V |
| Continuous output current per channel: | 3 A |
| Peak output current per channel: | 5 A |
| Current sense: | 0.5 V/A3 |
| Maximum PWM frequency: | 20 kHz |
| Minimum logic voltage: | 4 V4 |
| Maximum logic voltage: | 5 V |
| Reverse voltage protection?: | Y |
| Partial kit?: | Y |
Notes:
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