Pololu Jrk 21v3 USB Motor Controller mit Feedback

51,17 EUR

incl. 19 % USt zzgl. Versandkosten

Gewicht: 0.0300 kg

Hersteller: Pololu

Lagerbestand: 5

Lagernd, versandfertig in 24 Stunden.

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Art.Nr.: 1392
     

Produktbeschreibung

Der neue Pololu Jrk 21v3 Motor Controller für Gleichstrommotor verfügt über zahlreiche nützliche Features, wie z.B. 4 verschiedene Schnittstellen: USB, TTL Seriell, analog, RC.
Der 21v3 ist für Spannungen von 8V-25V ausgelegt und kann einen Dauerstrom von 3A schalten.

The jrk 21v3 motor controller is a highly configurable brushed DC motor controller that supports four interface modes: USB, logic-level serial, analog voltage, and hobby radio control (RC). The controller can be used with feedback for closed-loop speed or position control, or it can be used without feedback as an open-loop speed control. The continuous output current is approximately 3 A in the recommended operating range of 8–28 V, with derated performance down to 5 V and transient protection to 40 V. The board ships with connectors included but not soldered in, allowing for custom installations.

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.

Key improvements over competing products and earlier Pololu motor controllers with feedback include:

  • USB connectivity with emulated serial (COM) port allows direct motor control from a PC.
  • Ultrasonic PWM to eliminate switching-induced motor shaft hum or whine.
  • Robust, high-speed communication protocol with user-configurable error condition response.
  • High internal resolution (12 bits) for smooth and flexible calibration to various input and feedback devices.
  • Current sensing and limiting.
  • Reversed power protection.
  • Field-upgradeable firmware.

  • Simple bidirectional control of one DC brush motor.
  • 5 V to 28 V operating supply range.
  • 3 A maximum continuous current output (5 A peak).
  • Four communication or control options:
    1. USB interface for direct connection to a PC.
    2. Full-duplex, TTL-level asynchronous serial interface for direct connection to microcontrollers or other embedded controllers.
    3. Hobby radio control (RC) pulse width interface for direct connection to an RC receiver or RC servo controller.
    4. 0–5 V analog voltage interface for direct connection to potentiometers and analog joysticks.


    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 fixed baud rates: 300 – 115,200 bps
    Available PWM frequencies: 20 kHz, 5 kHz
    Reverse voltage protection?: Yes
    USB connector style: USB Mini-B


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