Still no luck on getting the voltage sensor to work...

Just wanting a sanity check on my method, I have successfully uploaded and tried both the volt_pwm.hex file and compiled main.c to hex onto the ATtiny13, but still getting no where. Am I using the correct files? The main.c code looks like it ...

Thank you for the swift response!

Greetings from Taiwan!

I have built the Sensor board R3 according to the wiki schematic. However I am not getting appropriate UDC outputs from the voltage sensing circuit. The main board cannot see any UDC. The ATTiny13 was bought from Digikey (off the shelf component), does it require to be ...