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The Pico Dev M3 is a development board based on Raspberry Pi's RP2040 microcontroller chip, the board is also a high-resolution magnetic rotary encoder when paired with a few 3D printed parts, which makes this the perfect board for applications and projects that can benefit from having a rotary encoder, a good example is making macro pads and other similar secondary controllers.
- RP2040 chip, Dual-core Arm Cortex-M0+ processor at 133 MHz
- 264kB on-chip SRAM
- 128Mb on-board QSPI flash
- 19 multifunction GPIO pins, with 2 analog inputs
- 2 UARTs
- 2 SPI controllers
- 2 I2C controllers
- 16 PWM channels
- USB 1.1 controller with host and device support
- 8 PIO state machines
- USB type C
- Lipo charging
- onboard Button input
- Addressable Led ring (18 LEDs)
- The onboard encoder features a base resolution of **36 steps, extending up to 36000** steps per revolution.
- A ring of **18 individually addressable LEDs** on board.
- Features a ball bearing which gives the encoder a significantly smoother feel compared to traditional rotary encoders.
- Customizable 3d printed encoder. Download the 3D files [here](https://github.com/ahmsville/Magnetic_rotary_encoding/tree/master/PICO%20DEV%20M3).
- Implementing the encoder is also really straightforward using the dedicated [**Libraries and Sample Codes**](https://github.com/ahmsville/Magnetic_rotary_encoding/tree/master/PICO%20DEV%20M3).
- Easy mounting options
- RP2040 C/C++ SDK
- Micropython
- 1 Fully assembled and tested Pico Dev M3 Board.
This is a 12-key macropod that uses the Pico dev m3 as its controller, the breakout board features backlit keys, headers for connecting I2C, SPI, and UART peripherals, and a header for connecting a joystick module to the Pico dev m3, you can power the keypad from the type c port on the pico dev m3 board or with a Lipo battery connected to the BAT header, taking advantage of the Lipo charge controller built into the pico dev m3.
This breakout board allows you to use this Programmable IO (PIO) on the RP2040 chip on the Pico dev m3 to individually control 3 stepper motors. This board can be used to control any 3-axis motion system, robot, or custom mechanism.