ATtiny Programmer Board (ArduinoUNO As ISP): Additional information and document update here on my site: https://www.mischianti.org/2019/08/02/attiny-progr... ATtiny13/ATtiny13a/ATtiny25/ATtiny45/ATtiny85 I really like the ATtiny and programming it, so I built a simple board to use Arduino UN…