Adafruit Feather M4 Express ATSAMD51 - ATSAMD51 Cortex M4

Adafruit Feather M4 ATSAMD51 Cortex M4 with pins installed and short sockets

Adafruit Feather M4 Express With ATSAMD51J19

Adafruit Si5351A Clock Generator Breakout Board - 8KHz to 160MHz

Adafruit Hi-Pwr Relay Module - w/Pwr Supply - Arduino & Raspberry Pi

Adafruit ESP32-S3 Feather with 4MB Flash 2MB PSRAM - STEMMA QT / Qwiic

Adafruit PCA9548 8-Channel STEMMA QT/Qwiic I2C Multiplexer - TCA9548A Compatible

Adafruit Wii Nunchuck Breakout Adapter - Qwiic / STEMMA QT