Tiny Raspberry Pi RP2040 module connects to USB-C + buttons board via FPC connector

Waveshare RP2040-Tiny is another tiny Raspberry Pi RP2040 module that joins others like Pimoroni Tiny 2040, DFRobot Beetle RP2020, or Solder Party RP2040 Stamp, but with a twist as the solderable module features an FPC connector in order to optionally connect a separate board with a USB-C port as well as Boot and Reset buttons.

This design enables the convenience of having a USB-C port for power and programming, plus the Reset and Boot buttons during firmware development, and developers can only keep the tiny and ultrathin module when integrating it into a project or product. Alternatively, there may be designs that benefit from having the USB-C port located further away from the main module with all I/Os, and it can also facilitate troubleshooting when the product is already integrated into a product.

Raspberry Pi RP2040 module with FPC USB-C board

Waveshare RP2040-Tiny specifications:

  • MCU – Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller @ up to 133Mhz with 264kB of SRAM
  • Storage – 2MB QSPI NOR flash (W25Q16)
  • Expansion
    • 23x castellated holes and through holes with 20x multi-function GPIOs, 2x SPI, 2x I2C, 2x UART, 4x 12-bit ADC, 16x PWM
    • 8-pin FPC connector for optional 18×18 mm board with USB 1.1 Type-C port, Boot and Reset buttons
  • Misc – WS2812 RGB LED, user mode selection pads
  • Power Supply
    • 5V via USB-C port
    • 5V via 5V pin
    • RT9193-33 500ma LDO
  • Dimensions – 23.5 x 18 x 2.1 mm
Waveshare RP2040-Tiny pinout diagram
Pinout diagram

From the user perspective, the RP2040-Tiny module is just like a small Raspberry Pi Pico programmable with the MicroPython and C/C++ SDKs from Raspberry Pi, as well as the Arduino IDE, and other programming languages supported by the Raspberry Pi RP2040 microcontroller. You’ll find hardware and software documentation in the wiki.

Waveshare is selling the RP2040-Tiny module for $10.67 (two pieces) on Aliexpress, and if you want to add the USB-C board with an FCP cable that would be $11.56 for two kits on the same page. The company is also offering the module and kit on Amazon and its own online store for $4.49 and $4.99 respectively.

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