Adafruit Feather M0 Basic Proto - ATSAMD21 Cortex M0 _RPI_ARC_BUTTON For a full tutorial with

For a full tutorial with wiring diagrams

but any will work)

so do not use the DSO on high voltages above earth ground

Wire Length: 257mm / 10

Adafruit Feather M0 Basic Proto - ATSAMD21 Cortex M0 _RPI_ARC_BUTTON For a full tutorial withAdafruit Feather M0 Basic Proto pairs a powerful 48 MHz ARM Cortex M0 with built in battery charging and onboard prototyping space, making it ideal for portable and breadboard free Arduino projects. Feather is Adafruits portable development board familythin, lightweight, and designed to go wherever your projects take you. Built to be a new standard for mobile microcontroller platforms, Feather combines power, flexibility, and battery support in a