DFRobot Beetle RP2040

Overview

The DFRobot Beetle RP2040 [1] board is based on the RP2040 microcontroller from Raspberry Pi Ltd. The board has a USB type C connector, and uses a large pad design.

Hardware

  • Microcontroller Raspberry Pi RP2040, with a max frequency of 133 MHz

  • Dual ARM Cortex M0+ cores

  • 264 kByte SRAM

  • 28 Mbyte QSPI flash

  • 6 GPIO pins

  • 2 ADC pins

  • I2C

  • SPI

  • UART

  • USB type C connector

  • Reset and boot buttons

  • Blue LED

Default Zephyr Peripheral Mapping

  • GP0 : GPIO0

  • GP1 : GPIO1

  • GP2 : GPIO2

  • GP3 : GPIO3

  • GP4 UART1 TX : GPIO4

  • GP5 UART1 RX : GPIO5

  • GP28 ADC channel 2 : GPIO28

  • GP29 ADC channel 3 : GPIO29

  • Blue LED : GPIO13

See also pinout [2].

Supported Features

The beetle_rp2040 board supports the hardware features listed below.

on-chip / on-board
Feature integrated in the SoC / present on the board.
2 / 2
Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo
Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

Programming and Debugging

The beetle_rp2040 board supports the runners and associated west commands listed below.

flash debug

The DFRobot Beetle RP2040 board does not expose the SWDIO and SWCLK pins, so programming must be done via the USB port. Press and hold the BOOT button, and then press the RST button, and the device will appear as a USB mass storage unit. Building your application will result in a build/zephyr/zephyr.uf2 file. Drag and drop the file to the USB mass storage unit, and the board will be reprogrammed.

For more details on programming RP2040-based boards, see Programming and Debugging.

Flashing

To run the Blinky sample:

# From the root of the zephyr repository
west build -b beetle_rp2040 samples/basic/blinky/
west flash

Try also the Hello World, Console over USB CDC ACM and Analog-to-Digital Converter (ADC) with devicetree samples.

References