An example of proper and most advanced way to put ANY AVR Arduino boards...
Rotary Encoder with USB Interface
Project to sync analog clocks to a few milliseconds.
Simple USB-C Power Delivery Tester
IVT (IV-TINY) - A FORTH-programable Scientific RPN Calculator that fits ...
Battery cell monitor and balancer
Collection of AVR Development Boards
MP3-Player
ATtiny85 based LoRa atmospheric sensor board with BME280
ASCII text Library for the Nokia 5110 LCD ( PCD8544 controller) for the...