Manual
• Simple configuration and calibration over USB with free configuration program (Windows 8, Windows 7,
Vista, Windows XP compatible).
• Configurable parameters include:
◦ PID period and PID constants (feedback tuning parameters).
◦ Maximum current.
◦ Maximum duty cycle.
◦ Maximum acceleration.
◦ Error response.
◦ Input calibration (learning) for analog and RC control.
• Optional CRC error detection eliminates communication errors caused by noise or software faults.
• Reversed power protection.
• Field-upgradeable firmware.
• Optional feedback potentiometer disconnect detection.
Specifications
_ Jrk 21v3 Jrk 12v12
Motor channels: 1 1
Operating voltage: 5 – 28 V 6 – 16 V
Continuous output current: 3 A 12 A
Peak output current: 5 A 30 A
Auto-detect baud rate range: 300 – 115,200 bps 300 – 115,200 bps
Available fixed baud rates: 300 – 115,200 bps 300 – 115,200 bps
Available PWM frequencies: 20 kHz, 5 kHz 20 kHz, 5 kHz
Reverse voltage protection?: Yes Yes
USB connector style: USB Mini-B USB Mini-B
Included Hardware
Pololu Jrk USB Motor Controller User's Guide © 2001–2013 Pololu Corporation
1. Overview Page 3 of 44