Overview, Main features of the jrk 21v3, Main features of the jrk 12v12 – Pololu Jrk USB User Manual
Page 3: Main features of all jrk motor controllers
Pololu jrk 21v3 USB motor controller with
dimensions.
Bottom of the jrk 12v12 USB motor controller
with feedback with dimensions.
1. Overview
The jrk family of versatile, general-purpose motor
controllers supports a variety of interfaces, including USB.
Analog voltage and tachometer (frequency) feedback
options allow quick implementation of closed-loop servo
systems, and a free configuration utility (for Windows)
allows easy calibration and configuration through the USB
port.
There are two different jrk motor controllers:
The
has a broad
operating range from 5 V to 28 V. The continuous output
current of 3 A (5 A peak) allow this board to control most
small DC brushed motors.
The
has an
operating range from 6 V to 16 V. The high continuous
output current of 12 A (30 A peak) allow this board to
control many medium-sized DC brushed motors
Main Features of the Jrk 21v3
• 5 V to 28 V operating supply range.
• 3 A maximum continuous current output (5 A peak).
• Automatic motor driver shutdown on under-voltage,
over-current, and over-temperature conditions.
Main Features of the Jrk 12v12
• 6 V to 16 V operating supply range.
• 12 A maximum continuous current output (30 A
peak).
Main Features of all Jrk Motor Controllers
• Simple bidirectional control of one DC brush motor.
• Four communication or control options:
◦ USB interface for direct connection to a PC.
◦ Full-duplex, TTL-level asynchronous serial interface for direct connection to microcontrollers or other
embedded controllers.
◦ Hobby radio control (RC) pulse width (PWM) interface for direct connection to an RC receiver or RC
servo controller.
◦ 0–5 V analog voltage interface for direct connection to potentiometers and analog joysticks.
• Two closed-loop feedback options:
◦ 0–5 V analog voltage.
◦ Frequency/tachometer digital input up to 2 MHz with 1 ms PID period.
◦ (Open-loop control with no feedback also available.)
Pololu Jrk USB Motor Controller User's Guide
© 2001–2014 Pololu Corporation
1. Overview
Page 3 of 45