retrolefty:
Not for just the purpose to burn a sketch or a bootloader onto the target. However the frequency does need to be correct for the bootloader to work with the arduino IDE as the baud rate will not be correct if not clocked at the speed the specific bootloader was created to work at.Lefty
Do I have to use the two capacitors? If so, their capacitance has to be as said here (18 or 22 pF)?