Atmel ATMEGA328P
Here is what I used to create the GPIO and Power board:
DIY NAS based on the Raspberry Pi Compute Module 4 plus IO Board
DoYourGin "The Colorful"
Beautiful red opacity due to hibiscus and a nice taste with orange zest and lavender.
DoYourGin "The Vivid"
Vitalizing and pure juniper yellow opacity with nice pepper taste and smell.
DIY Retrogaming kit based on the Raspberry Pi Zero
Cheap Trick 242 (front)
DIY 6CH sound system for home theater
DIY amplifier using a TRIPATH TA2024 IC-powered board