Adafruit ItsyBitsy M0 Express for CircuitPython Arduino IDE
€25.00
What’s smaller than a Feather but larger than a Trinket? It’s an Adafruit ItsyBitsy M0 Express ! Small, powerful, with a rockin’ ATSAMD21 Cortex M0 processor running at 48 MHz – this microcontroller board is perfect when you want something very compact, but still with a bunch of pins.