Using Arduino UNO as an AVR ISP programmer to burn bootloader (bootloader program)
1. First, prepare an Arduino UNO development board that can be used normally. The normally used development board is used as an ISP programmer, abbreviated as Board A, and the board being programmed is abbreviated as Board B. Connect the two development boards according to the wire connection method below. The first wiring method: The second wiring method: Board A D11 -> Board B D11 Board A D12 -> Board B D12 Board A D13 -> Board B D13 Board A D10 -> Board B RESET Board A 5V
