JRK G2 21v3 USB - single-channel motor driver with 28V / 2.6A feedback - assembled - Pololu 3143

Index: PLL-12437 EAN: 5904422319250

Extremely easy to use motor controller with feedback support. Available communication interfaces: USB, TTL, I2C, analog and radio. Supply voltage is from 4.5 V to 28 V and continuous current up to 2.6 A. Assembled and ready to use version.

€68.36
€55.57 tax excl.
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Manufacturer: Pololu
Compatibility: Arduino Raspberry Pi

Product description: JRK G2 21v3 USB - single channel motor controller with feedback 28 V / 2.6 A - assembled - Pololu 3143

Extremely simplemotorcontroller withfeedbacksupport belonging to the second generation of JRK controllers - JRK G2. Provides easy speed or position control (but not for both simultaneously). Available communication interfaces: USB, TTL, I2C, analog and radio. Supply voltage isfrom 4.5 V to 28 Vand continuous currentup to 2.6 A.

Technical specification of the controller from Pololu

  • Motor supply voltage: from 4.5 V to 28 V
  • Continuous current per channel: 2,6 A
  • Maximum PWM signal frequency: 20 kHz
  • Number of channels: 1
  • Connector: microUSB
  • Interfaces: USB, serial TTL, I2C, RCservo, analog voltage
  • Protection against reverse connection of power supply
  • Dimensions: 30 x25x 12 mm
  • Weight: 7.5 g

This version is assembled and ready to work.

KIT for self-assemblyis also available in our offer.

Features JRK G2 21v3 USB

  • Easy open or closed loop control of oneDC motor
  • 5 control interfaces
    • USB: direct connection to the PC
    • Serial TTL: works with 5 V, to connect to a microcontroller
    • I2C: for connection to microcontroller
    • Radio signalfor connection to RC system
    • Analog voltagefor use with apotentiometeror pad
  • Feedback options
    • Analog voltage; 0 V to 5 V - for closed loop system
    • Frequency:for speed control using pulse counting
    • None: for open loop
    • (the controller does not support quadrature encoders)
  • 20 kHz ultrasonic PWM - silent operation (5 kHz can also be set)
  • Simple control and calibration using dedicated software
  • Configurable:
    • PID coefficients
    • Maximum current
    • Maximum PWM signal filling
    • Maximum acceleration and deceleration
    • Fault response
    • Input calibration for analogue and RC control
  • CRC error detection
  • Reverse polarity protection
  • Firmware upgradeable

Pinout and description

Pololu Jrk G2 21v3 - zmontowany

Comparison of JRK with the new generation - JRK G2

The new G2 family has many improvements over the older JRKs. The JRK G2 drivers support higher operating voltages and higher currents, yet are smaller than their predecessors. Other features:

  • Hardware current limiting - the controller limits the motor current if it exceeds a set threshold
  • More accurate speed control at low frequencies
  • I2C interface for increased controllability
  • Possibility to measure VIN voltage to monitor power supply or batteries
  • MicroUSBconnector instead of miniUSB
  • Speed reduction limitation (JRK first version had only acceleration limitation)
  • PID coefficients can be changed live via UART, I2C or USB

The JRK G2 controllers are software compatible with the older version, so there is no need to replace the control application.

Voltage to 4.5 V
Voltage from 28.0 V
Current 2.6 A
Channels 1

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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