I don't know about the oscillator vs. resonator.
You don't need the RX and TX LEDs, but they are nice to be able to see when the board is talking to the computer.
Either schematic/circuit should work with the latest version of the bootloader.
I don't know about the oscillator vs. resonator.
You don't need the RX and TX LEDs, but they are nice to be able to see when the board is talking to the computer.
Either schematic/circuit should work with the latest version of the bootloader.