Still having issues using ArduinoISP sketch to install bootloader

Other Hardware 3rd Party Boards
9

One more try. :slight_smile:

Check the minimal setup on:

The note talks about the value of R1 on PD1 as being 0 ohms or 1000 ohms in order for the programmer to recognize the MCU.

You show R4 and R5 on the PD1 and PD0 leads and you stated they were 10,000 ohms.