ATtiny85 - TINY VERSATILE ARDUINO COMPATIBLE from Awesome PCB on Tindie
ATtiny85 Game Console PCB - Multiple Games - YouTube
ATTiny Breakout Board – Arduino++
DIY# a Complete Guide to Build Your Own ATtiny85 Project PCB With Relay and Interfacing HC05 Bluetooth Module to It : 13 Steps (with Pictures) - Instructables
GitHub - barafael/attiny-programmer: A PCB board to use an Arduino Uno to burn programs to an AVR attiny85 8-pin microcontroller