Motion Control Modules » Brushed DC Motor Controllers » Pololu Jrk Motor Controllers with Feedback »
Jrk G2 21v3 USB Motor Controller with Feedback
This compact 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 4.5 V to 28 V operating range and can deliver continuous output currents up to 2.6 A (5 A peak) without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.
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Compare all products in Pololu Jrk Motor Controllers with Feedback or Pololu Jrk G2 Motor Controllers with Feedback.
Description | Specs (13) | Pictures (12) | Resources (16) | FAQs (1) | On the blog (2) |
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Documentation and other information
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Jrk G2 Motor Controller User’s Guide (Printable PDF)
User’s manual for the Pololu Jrk G2 USB Motor Controllers with Feedback.
File downloads
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Jrk G2 Software and Drivers for Windows (11MB msi)
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Jrk G2 Software for Linux (x86) (9MB xz)
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Jrk G2 Software for Linux (Raspberry Pi) (6MB xz)
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Jrk G2 Software for macOS (8MB pkg)
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Dimension diagram of the Jrk G2 21v3 USB Motor Controller with Feedback (215k pdf)
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Dimension diagram of the Jrk G2 18v19 and 24v13 motor controllers (220k pdf)
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Dimension diagram of the Jrk G2 18v27 and 24v21 motor controllers (208k pdf)
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3D model of the Jrk G2 21v3 USB Motor Controller with Feedback (11MB step)
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3D model of the Jrk G2 18v19 and 24v13 motor controllers (11MB step)
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3D model of the Jrk G2 18v27 and 24v21 motor controllers (11MB step)
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Drill guide for the Jrk G2 21v3 USB Motor Controller with Feedback (59k dxf)
This DXF drawing shows the locations of all of the board’s holes.
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Drill guide for the Jrk G2 18v19 and 24v13 motor controllers (83k dxf)
This DXF drawing shows the locations of all of the board’s holes.
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Drill guide for the Jrk G2 18v27 and 24v21 motor controllers (95k dxf)
This DXF drawing shows the locations of all of the board’s holes.
Recommended links
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Jrk G2 library for Arduino
This is a library for the Arduino IDE that helps interface with a Jrk G2 USB Motor Controller with Feedback using serial or I²C.
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Jrk G2 software source code
This repository contains the source code of the Pololu Jrk G2 Configuration Utility (jrk2gui) and the Pololu Jrk G2 Command-line Utility (jrk2cmd). It also has drivers for Windows and build instructions.