Procure one Atmega328 chip with pre-burned Arduino Bootloader; Replace the original chip in your Arduino board with this one; ... Pin 15 on the IC is actually the pin for Digital Pin 9 (D9) on the ...

Adding USB functionality to your Arduino projects used to be a pain, but thankfully, the V-USB project came along and gave your ATMEGA328 the ability to control the USB lines directly and mimic sim… ...