#arm #cortex-m #embedded-hal #no-std

no-std circuit_playground_express

Board Support crate for the Adafruit Circuit Playground Express

9 breaking releases

0.11.0 Dec 25, 2021
0.10.0 Sep 27, 2021
0.9.0 Dec 31, 2020
0.8.0 Nov 28, 2020
0.2.1 Mar 3, 2019

#2114 in Embedded development

40 downloads per month
Used in 2 crates


23K SLoC

Adafruit Circuit Playground Express Support Crate

This crate provides a type-safe API for working with the Adafruit Circuit Playground Express board.


Uploading an example

Check out the repository for examples:


  • Be in this directory cd boards/circuit_playground_express
  • Put your device in bootloader mode usually by hitting the reset button twice.
  • Build and upload in one step
$ cargo hf2 --release --example blinky_basic
    Finished release [optimized + debuginfo] target(s) in 0.19s
    Searching for a connected device with known vid/pid pair.
    Trying  Ok(Some("Adafruit Industries")) Ok(Some("PyBadge"))
    Flashing "/Users/User/atsamd/boards/circuit_playground_express/target/thumbv7em-none-eabihf/release/examples/blinky_basic"
    Finished in 0.079s


~166K SLoC