DigiSpark mini Arduino ATtiny85 module, commissioning, test

kys wrote:

Thanks for the answers. In this case, the module will be best disconnected from the system with goldpin connectors when it will need to be programmed

Unnecessary. Separate the power supply of the system with the power supply from the USB diode and you are ready to go.

I don't know what I'm doing wrong with my unearthed clone. I needed to use the PB4 port, ADC2 actually. I know that there is also a USB connected via the 22R and the 3V6 diode, but I wanted to read the voltage