The Adafruit Circuit Playground Express is small ARM development board based on the Atmel SAMD21 family of processors. It has several built-in devices such as WS2812 “NeoPixel” LEDs, buttons, an accelerometer, and some other sensors.
|Interface||Hardware Supported||TinyGo Support|
The Circuit Playground Express comes with the UF2 bootloader already installed.
/media/[USERNAME]/[NAME OF THE BOARD].
.uf2format using the
tinygo build -o=/media/[USERNAME]/[NAME OF THE BOARD]/flash.uf2 -target=circuitplay-express [PATH TO YOUR PROGRAM]command.
You can use the USB port to the Circuit Playground Express as a serial port.
UART0 refers to this connection.
For an example that uses the built-in Neopixel LEDs, take a look at the TinyGo drivers repository located at https://github.com/tinygo-org/drivers/tree/master/examples