Arduino Microcontroller

The Adafruit Trinket M0 may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATSAMD21, a littl...

The Adafruit ItsyBitsy M4 Express features the Microchip ATSAMD51! Small, powerful, with a ultra fast ATSAMD51 Cortex M4 processor running at 120 M...

The Feather M4 Express with an ATSAMD51 is fast like a swift, smart like an owl, strong like a ox-bird (it's half ox, half bird, OK?) This feather...

Add another 8 pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two i2c pins (these can be shared with other i2c devic...