notes on how to burn the bootloader in Arduino IDE using an UNO to program a Nano (digital and power pins)

Burning a bootloader onto an Arduino Nano using an Arduino UNO as the programmer is a fundamental skill for electronics enthusiasts and professionals alike. This process revitalizes a Nano with bootloader issues, ensuring seamless uploading of sketches and optimal performance. In this guide, we'll walk you through the necessary materials, setup configurations, and step-by-step instructions to successfully burn the bootloader using the Arduino IDE.

Example

Materials

- Arduino UNO

- Arduino NANO

- USB cables

- breadboard

- wires

Setup

Additional illustrative examples

File>Examples>ArduinoISP>ArduinoISP

Tools>Board>Arduino AVR Boards>Arduino UNO

Upload

Tools>Board>Arduino AVR Boards>Arduino Nano

Tools>Processor>ATmega328P (Old Bootloader)

Tools>Programmer>Arduino as ISP

Tools>Burn Bootloader

References

[1] https://support.arduino.cc/hc/en-us/articles/4841602539164-Burn-the-bootloader-on-UNO-Mega-and-classic-Nano-using-another-Arduino