Circuit Playground Express

Dev Board
Circuit Playground Express

All-in-one ATSAMD21 learning board with 10 NeoPixels, LIS3DH accelerometer, MEMS microphone, speaker with class D amp, IR transmit/receive, 7 capacitive touch pads, and 2MB SPI flash for CircuitPython

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32KB SRAM256KB + 2MB SPI Flash
~$25View

Adafruit Feather M0 Express

Dev Board
Adafruit Feather M0 Express

ATSAMD21G18 ARM Cortex-M0+ Feather board with 2MB SPI flash for CircuitPython code storage, built-in NeoPixel, 256KB flash, 32KB RAM, native USB, and 100mA LiPo charger. The dedicated CircuitPython Fe

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32KB SRAM256KB + 2MB SPI Flash
~$20View

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