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A bootloader is a utility program used to load an application program into memory.

1 vote

How do I know I have the right Bootloader Installed on my ATMega328P-PU?

I would suggest buying one with the bootloader already programmed. That way you know can hook it up and verify the heartbeat blinks on power up. Once you have that try to load the blink sketch. …
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2 votes
Accepted

just had an Arduino UNO bootloader replacement. Computer still won't recognize it

Just to clarify, you purchased an ATMega328P microcontroller with the Ardunio Bootloader already programmed into it? …
BrianK's user avatar
  • 380
2 votes

Burn bootloader from Arduino Nano to Atmega chip

You will have to do something to the nano to deactivate reset when programming the bootloader. … This is because it's wired to reset whenever anything connects to the serial port, which is great for loading in sketches, but you don't want it to reset when you go to program the bootloader. …
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