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zł474.21 tax excl.
This powerful 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).
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This version offers a wide 6.5 V to 30 V operating range and can deliver continuous output currents up to 19 A without a heat sink.
With integrated support for analog voltage or tachometer (frequency) feedback, the second-generation G2 family of Jrk motor controllers makes it easy to add closed-loop control of speed or position (but not both!) of a single brushed DC motor to a variety of projects. These versatile, general-purpose modules support five different control interfaces: USB for direct connection to a computer, TTL serial and I²C for use with a microcontroller, RC hobby servo pulses for use in an RC system, and analog voltages for use with a potentiometer or analog joystick. They also offer many settings that can be configured using our free configuration software utility for Windows, Linux, and macOS. This software simplifies initial setup of the device and allows for in-system testing and monitoring of the controller via USB (a micro-B USB cable is required to connect the Jrk G2 to a computer).
The table below lists the members of the Jrk family, including the original versions, and shows the key differences among them.
Jrk 21v3 | Jrk 12v12 | Jrk G2 21v3 | Jrk G2 18v19 | Jrk G2 24v13 | Jrk G2 18v27 | Jrk G2 24v21 | |
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Recommended max operating voltage: |
28 V(1) | 16 V | 28 V(1) | 24 V(2) | 34 V(3) | 24 V(2) | 34 V(3) |
Max nominal battery voltage: |
24 V | 12 V | 24 V | 18 V | 28 V | 18 V | 28 V |
Max continuous current (no additional cooling): |
2.5 A* | 12 A | 2.6 A | 19 A | 13 A | 27 A | 21 A |
USB, TTL serial, Analog, RC control: |
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I²C control: | ![]() |
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Hardware current limiting: | ![]() |
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Dimensions: | 1.35″ × 1.35″ | 1.85″ × 1.35″ | 1.0″ × 1.2″ | 1.4″ × 1.2″ | 1.7″ × 1.2″ | ||
1 Transient operation (< 500 ms) up to 40 V. 2 30 V absolute max. 3 40 V absolute max. * Reduced from “3 A” based on newer, more stringent tests. The value now is directly comparable to the rating for the newer G2 21v3. |
The Jrk G2 18v19 operates from 6.5 V to 30 V and can deliver a continuous output current of 19 A without a heat sink. Note that 30 V is the absolute maximum for this controller; the maximum recommended operating voltage is 24 V, and the maximum recommended nominal battery voltage is 18 V. For applications using higher voltages (such as 24 V batteries), we recommend the higher-voltage Jrk G2 24v13 or Jrk G2 24v21.
If you need to identify which version you have, you can just plug it into a computer through USB and the Jrk software will tell you. For quick visual identification without a computer, you can distinguish this version from the identically sized Jrk G2 24v13 by the number 150 on top of the tall silver electrolytic capacitors.
Pieces from the 0.1″ header strip can be soldered into the small holes on the logic connection side of the board to enable use with solderless breadboards, perfboards, or 0.1″ connectors, or you can solder wires directly to these holes for the most compact installation.The Jrk ships with a 0.1″ breakaway male header strip and two 2-pin 5mm terminal blocks. You can solder the terminal blocks to the four large through-holes to make your motor and motor power connections (see our short video on terminal block installation), or you can solder an 8-pin piece of the 0.1″ header strip into the smaller through-holes that border these larger holes. Note, however, that the terminal blocks are only rated for 16 A, and each header pin pair is only rated for a combined 6 A, so for higher-power applications, thick wires should be soldered directly to the board.
Note: A USB A to micro-B cable (not included) is required to connect the Jrk G2 to a computer for initial configuration.
The Jrk G2 family features a number of improvements compared to our original two Jrk motor controllers (21v3 and 12v12). Most importantly, the Jrk G2 controllers support both higher operating voltages and larger output currents while being even more compact than their predecessors. Other new features include:
The Jrk G2 controllers are not drop-in replacements for the original Jrk controllers because of differences in their form factors and pin arrangements, although wiring changes should be straightforward. The Jrk G2 serial protocol is compatible with (and generally a superset of) the original Jrk serial protocol, so in many cases, serial interface software running on a microcontroller or computer will not need to be modified to work with a Jrk G2.
Motor channels: | 1 |
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Control interface: | USB; non-inverted TTL serial; I²C; RC servo pulses; analog voltage |
Minimum operating voltage: | 6.5 V |
Maximum operating voltage: | 30 V2 |
Continuous output current per channel: | 19 A3 |
Maximum PWM frequency: | 20 kHz |
Reverse voltage protection?: | Y |
Version: | G2 18v19 (30 V max, 19 A max continuous) |
Connectors soldered?: | N |
Size: | 1.2″ × 1.4″ × 0.42″1 |
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Weight: | 6.5 g1 |
Data sheet
DC motor driver with voltage 6.5..40V and maximum continuous current 21A. It has the ability to easily implement the feedback loop and numerous control interfaces. Polol 3149
DC motor driver with voltage 4.5..28V and maximum continuous current of 2.6A. It has the ability to easily implement the feedback loop and numerous control interfaces. Polol 3143
No product available!
DC motor driver with voltage 4.5..28V and maximum continuous current of 2.6A. It has the ability to easily implement the feedback loop and numerous control interfaces. Polol 3142
Module with the HR1124S DC motor controller with a maximum current of 1.2 A. It can be powered with the voltage from 1.8 V to 6.8 V and is controlled by two PWM signals
Module with a 2-channel driver for DC motors L293D designed to work with the Raspberry Pi Pico. It can work with a voltage from 6 to 12 V and a current of up to 600 mA. SB Components 21468
Direct current motor driver (DC) with a working voltage from 5 to 30 V and a maximum continuous current of 30 A. It can be controlled by a PWM signal or by means of built-in buttons. Cytron MD30C
The RoboClaw Solo motor controllers from Basicmicro (formerly Ion Motion Control) can control a single brushed DC motor using USB serial, TTL serial, RC, or analog inputs. Pololu 3291
Pololu G2 18v15 High Power is a miniature DC motor controller. Power supply for the controller: 6.5 ... 30 V. Current efficiency of the module: 15 A. The module has protection against back voltage and overvoltages. Pololu 1362
DC motor driver that allows you to control the movement of two drives using the I2C interface. Board without connectors. Pololu 5050
No product available!
DC motor driver that allows you to control the movement of two drives using the I2C interface. Board with connectors for assembly. Pololu 5052
No product available!
Driver module for two DC brushed motors with current efficiency up to 5 A per channel. It can work with LiPo 2S and 3S packets
Two-channel DC motor driver powered with the voltage from 2.5 to 12 V with a maximum continuous current of 0.8 A per channel. It can control a bipolar stepper motor
Pololu G2 24v12 High Power is a miniature DC motor controller. Driver\'s power supply: 6.5 ... 30V. Current capacity of the module: 12A. The module has protection against back voltage and overvoltage. Pololu 1365
No product available!
The board based on the L298 Dual Full-Bridge Motor Driver; can provide up to 4 Amps of current to the motors (2 Amps per motor). ROB-09571
A module with a two-channel DC motor driver based on the TB6612FNG system. Designed for Wemos D1 Mini
DC motor driver with voltage 6.5..30V and maximum continuous current 27A. It has the ability to easily implement the feedback loop and numerous control interfaces. Polol 3148
DC motor driver that allows you to control the movement of two drives using the I2C interface. Board with connectors for self-assembly. Pololu 5046
No product available!
Single-channel DC motor driver with an operating voltage from 10 to 45 V and a continuous current up to 40 A. It can be controlled by an analog signal, PWM, UART, RC or by means of built-in buttons. Cytron MDS40B
DC motor driver with voltage 4.5..28V and maximum continuous current of 2.6A. It has the ability to easily implement the feedback loop and numerous control interfaces. Polol 3143
No product available!
This powerful 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).