Most information comes from this site: https://docs.arduino.cc/built-in-examples/arduino-isp/ArduinoISP/
I created an Arduino Nano header so I don’t have to recable a nano every time I want to burn or programm a Tiny.
This board comes on top of the Nano like a sandwitch.
TBD – photo of endproduct
TBD – video of programming and Test
GIT: https://gitlab.efana.de/electronic/arduino_nano_isp_header