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Jrk G2 18v19 USB Motor Controller with Feedback
This powerful motor controller makes closed-loop speed or position (but not both!) control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 30 V operating range and can deliver continuous output currents up to 19 A without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.
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| Description | Specs (13) | Pictures (14) | Resources (16) | FAQs (1) | On the blog (1) |
|---|
Dimensions
| Size: | 1.2″ × 1.4″ × 0.42″1 |
|---|---|
| Weight: | 6.5 g1 |
General specifications
| Motor channels: | 1 |
|---|---|
| Control interface: |
USB; non-inverted TTL serial; I²C; RC servo pulses; analog voltage |
| Minimum operating voltage: | 6.5 V |
| Maximum operating voltage: | 30 V2 |
| Continuous output current per channel: | 19 A3 |
| Maximum PWM frequency: | 20 kHz |
| Reverse voltage protection?: | Y |
| Version: | G2 18v19 (30 V max, 19 A max continuous) |
| Connectors soldered?: | N |
Identifying markings
| PCB dev codes: | umc05a |
|---|---|
| Other PCB markings: | 0J11042, blank white box |
Notes:
- 1
- Without included hardware.
- 2
- Absolute maximum; higher voltages can permanently destroy the motor driver. Recommended maximum is approximately 24 V, which leaves a safety margin for ripple voltage on the supply line. Not recommended for use with 24V batteries.
- 3
- Typical results at room temperature running at 90% duty cycle.
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