Micro RP2040 is a tiny Raspberry Pi RP2040 module with a USB Type-C port, 28 castellated & through holes

SB Components’ Micro RP2040 is a tiny module based on the Raspberry Pi RP2040 Arm microcontroller with up to 23 GPIOs and a USB Type-C port for easy powering and programming.

Ever since the Raspberry Pi RP2040 dual-core Arm Cortex-M0+ microcontroller was released, companies have been making tiny modules based on it. Some come with a USB Type-C port such as the Pimoroni Tiny 2040 and the Adafruit QT Py RP2040 boards, while others focused on providing a smaller form factor for soldering only with design such as the RP2040 Stamp or the minuscule 12x12mm Femto module. The Micro RP2040 module comes with a USB-C port and more I/Os than competing modules thanks to a slightly larger 25 x 24.95mm design.

Micro RP2040 board

Micro RP2040 specifications:

  • MCU – Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller @ up to 133 MHz with 264kB of SRAM
  • Storage – 2MB QSPI flash
  • USB – USB Type-C port for power, data, and programming
  • I/Os – 28x castellated and through holes for up to 23x I/Os, SPI, I2C, UART, 5V, 3.3V, and GND
  • Misc – Boot buttons, power LED
  • Power Supply – 5V
  • Dimensions – 25 x 24.95mm (Breadboard compatible)
  • Weight – About 4 grams

Raspberry Pi RP2040 module

Micro RP2040 pinout diagram
Pinout diagram

The module is programmable with the same C//C++ and MicroPython SDK as used for the Raspberry Pi Pico, and SB Components released the PDF schematic, some mechanical data, and instructions on GitHub.

I first found out about the module on Tindie where it is sold for $6.99 plus shipping, but you can also purchase it for $6.00 on SB Components’ own online store.

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