---
product_id: 16704139
title: "Jaycon Systems Pololu JRK 21V3 USB Motor Controller with Feedback (Fully Assembled)"
brand: "jaycon systems"
price: "€ 0.70"
currency: EUR
in_stock: false
url: https://www.desertcart.de/products/16704139-jaycon-systems-pololu-jrk-21v3-usb-motor-controller-with-feedback
store_origin: DE
region: Germany
---

# 1 channel power 3A continuous 5-28V range Jaycon Systems Pololu JRK 21V3 USB Motor Controller with Feedback (Fully Assembled)

**Brand:** jaycon systems
**Price:** € 0.70
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Motor Control Game!

## Quick Answers

- **What is this?** Jaycon Systems Pololu JRK 21V3 USB Motor Controller with Feedback (Fully Assembled) by jaycon systems
- **How much does it cost?** € 0.70 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/16704139-jaycon-systems-pololu-jrk-21v3-usb-motor-controller-with-feedback)

## Best For

- jaycon systems enthusiasts

## Why This Product

- Trusted jaycon systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **PWM Flexibility:** Choose from available PWM frequencies of 20 kHz and 5 kHz to suit your project needs.
- • **Rapid Communication:** Auto-detect baud rates from 300 to 115,200 bps for swift data transfer.
- • **High-Performance Output:** Enjoy a continuous output of 3 A and peak performance at 5 A for demanding applications.
- • **Versatile Voltage Range:** Power up with confidence using a flexible operating voltage of 5 to 28 V.
- • **Unleash Precision Control:** Experience seamless motor management with a robust 1-channel design.

## Overview

The Pololu JRK 21V3 USB Motor Controller is a fully assembled, high-performance solution for precise motor control, featuring a versatile voltage range, robust output capabilities, and rapid communication options, making it ideal for both hobbyists and professionals.

## Description

The JRK 21v3 is a versatile, general-purpose motor controller that supports a variety of interfaces, including USB. The broad operating range from 5 V to 28 V and continuous output current of 3 A (5 A peak) allow this board to control most small DC brushed motors. Analog voltage and tachometer (frequency) feedback options allow quick implementation of closed-loop servo systems, and a free configuration utility (for Windows 7, Vista, or Windows XP) allows easy calibration and configuration through the USB port.

## Features

- Motor channels: 1, Operating voltage: 5 – 28 V
- Continuous output current: 3 A, Peak output current: 5 A
- Auto-detect baud rate range: 300 – 115,200 bps
- Available PWM frequencies: 20 kHz, 5 kHz, USB connector style: USB Mini-B
- Reverse voltage protection?: Yes

## Images

![Jaycon Systems Pololu JRK 21V3 USB Motor Controller with Feedback (Fully Assembled) - Image 1](https://m.media-amazon.com/images/I/31lt43851hL.jpg)

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**Shop now:** [https://www.desertcart.de/products/16704139-jaycon-systems-pololu-jrk-21v3-usb-motor-controller-with-feedback](https://www.desertcart.de/products/16704139-jaycon-systems-pololu-jrk-21v3-usb-motor-controller-with-feedback)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-09-02*