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Arduino Bootloader

hardware setup

  1. set headers/wires to bootloader mode, as per image
  2. connect power to Arduino Uno

ardu_1

software setup

  1. open File » Examples » 11. ArduinoISP » ArduinoISP
  2. set device to Arduino Uno
  3. select correct port
  4. upload
  5. set device to Arduino Nano, with new bootloader
  6. set programme to “Arduino as ISP”

ardu_2

burn bootloader

  1. place micro withpin location as shown
  2. burn bootloader, via tools menu

ardu_3

references

sparkfun