Product description
USB motor controller with feedback support for closed-loop control of DC motors. The Pololu Jrk G2 21v3 supports both speed and position control via USB, TTL serial communication, I2C, analog control signals or RC signals. The board is configured over USB using Pololu software for Windows, Linux and macOS, making it suitable for robotics, automation and other applications where precise motor control is desired. Integrated support for feedback using a potentiometer or tachometer signal enables accurate control of motor position or speed.
Perfect for projects requiring precision, such as CNC and other automation systems, and also suitable for education and laboratory work involving feedback systems, PID control and motor control in general.
Feedback can be provided through:
- Analog voltage (0-5V) for servo-like control
- Frequency measurement through pulse counting or timing (depending on speed)
- Can also be operated without feedback
Specifications:
- Motor type: DC motors
- Number of motor channels: 1
- Control modes: speed control or position control
- Control interfaces: USB, TTL serial, I2C, analog signal, RC servo
- Supply voltage: 4.5V to 28V
- Current (max): 2.6A continuous, 5A peak (without heatsink)
- PWM frequency: up to 20kHz
- Feedback: potentiometer or tachometer signal
- Reverse polarity protection: yes
- Software: Pololu Jrk G2 Utility
- Platform support: Windows, Linux, macOS
- Connection: USB Micro-B
- Dimensions: 30.5 x 25.4 x 7.6mm
- Included: pin headers and screw terminals, not preassembled
Note: The board supports either position control or speed control, but not both simultaneously. Quadrature encoders are not supported for position control.
