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Dual Motor / Bipolar Stepper Module for Yukon

by Pimoroni

Drive two brushed DC motors or one bipolar stepper motor from your Pimoroni Yukon project, with this dual motor driver with adjustable current limiting.

This useful dual H-bridge motor driver can deliver up to 1.6A continuous (2.24A peak) per channel across Yukon's 5 to 17V input voltage range, and has built in temperature and fault sensors to help prevent mishaps.

We used four of these modules to drive the stepper motors on a previously unloved CNC mill, turning it into a fun oversized pen plotter!

Motors are sold separately.

Features

  • DRV8424P dual H-bridge driver (datasheet)
  • Drive 2 x brushed DC motors or 1x bipolar stepper motor
  • Screw terminals for attaching your motors
  • Adjustable current limit from 0.16A to 2.24A
  • Temperature and fault sensors
  • Fully-assembled (no soldering required)
  • Compatible with Pimoroni Yukon

Software

We've supplied all the usual examples to help you get started driving motors and steppers with Yukon. We've also included our pen plotter project as one of our show case examples, complete with experimental G-code parsing.

Pinout and Schematic

Notes

  • Measurements: 24mm x 20mm x 13.7mm (L x W x H).
  • This module uses either the RP2040's PWM hardware or PIO to control the motor outputs, depending on the code used. With PWM, only four modules can be used simultaneously (for a total of 8 dc motors), and they should be placed in Yukon Slots that do not share the same PWMs. PIO does not have this restriction letting all six slots be used (for a total of 12 dc motors), at the cost of using up a single PIO state machine.
    • PWM 0A/0B/1A/1B are on Yukon Slots 1 and 5
    • PWM 2A/2B/3A/3B are on Yukon Slots 2 and 6
    • PWM 4A/4B/5A/5B are on Yukon Slot 3 (5A/5B are also on GP26/GP27)
    • PWM 6A/6B/7A/7B are on Yukon Slot 4
  • Stepper motor support is currently only via PWM.

About Yukon

Yukon is a high-power modular robotics and engineering platform, built around Raspberry Pi's formidable RP2040 chip. It has slots for attaching interchangeable hardware modules for driving combinations of devices such as motors, servos, steppers, and LED strips, all from one board!

Featuring an XT30 connector, Yukon can be directly powered off 2 to 4 cell LiPo batteries (or any other 5 to 17V source), to deliver up to 15A continuous for your high-power projects. An e-Fuse with switchable output protects the board, along with voltage, current, and temperature sensors that can be monitored by your programs.

View all Yukon!

12 customer reviews

15 days ago
Simply the best and most powerful MCU on the hobbiest market at the moment. Even the arduino setup works out of the box. So far I've tested I2C, SPI, Audio, USB audio, Rotary Encoder and SDIO card libs - all work flawlessly and fantastically well. Running some audio spectrum processing the Arm CMSIS libs for a 4096 FFT takes around 412us (0.4ms) including mag squared calcultions and all the various buffer copies - amazing stuff!
by Anonymous about Teensy 4.1 Development Board via REVIEWS.io
a year ago
As someone dealing with microcontrollers for the first time the teensy is excellent. Incredible performance for the size and while it doesn't have a massive community the examples that are part of the ide are really detailed.
by Harry about Teensy 4.1 Development Board via REVIEWS.io
2 years ago
Got one as soon as they were back in stock. Arrived quickly and well packaged. Couldn’t be happier with this amazing board/service!
by Andrew about Teensy 4.1 Development Board via REVIEWS.io
3 years ago
Nice little board with quite a bit of juice and a lot of connection options. Really nice that you can use it as a USB host, and that it has pinouts for ethernet too. Haven't tested all the stuff it can do, as I mainly use mine to run a DirtyWave M8 tracker/synth.
by Peder about Teensy 4.1 Development Board via REVIEWS.io
4 years ago
Fast delivery & well packaged. Using the Teensy 4.1 to run the "headless" version of the M8 tracking software - works great and setup was way easier than I expected.
by David about Teensy 4.1 Development Board via REVIEWS.io
4 years ago
I have soldered on the pins, and its running on my breadboard. I probably have not yet accessed 1 per cent of what this fantastic little board can do... I'm using Visual Studio Code with PlatformIO, all seems good so far....
by Martyn about Teensy 4.1 Development Board via REVIEWS.io
4 years ago
Absolutely wonderful card. Incredibly fast and stable. Lots of RAM and lots of flash memory. It is also possible to expand both RAM and flash by soldering circuits on the underside of the card. With good code examples and a content-rich forum. Works well to write code in both Arduino and Visual Studio. I really love this circuit
by Johan about Teensy 4.1 Development Board via REVIEWS.io
4 years ago
This is a high end microcontroller. The USB host interface works very well with some good examples in the library. You can solder two PSram chips on the bottom for a Whopping 16GB of ram!!
by Robert about Teensy 4.1 Development Board via REVIEWS.io
5 years ago
So far the board works and powers on. I'm yet to use other features on it but Very excited. Order was quick and will use this website more often
by DARREN about Teensy 4.1 Development Board via REVIEWS.io

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