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Author Topic: How to re-init bootloader on Nano?  (Read 296 times)
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I think the bootloader is broken on my new Nano-clone. Can someone tell me how to re-install a bootloader so I can upload a sketch to my Nano?
Thanks....arniep
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You need an AVR ISP, an In System Programmer.

Can be a stanalone tool (i.e. a dedicated circuit) such as
http://www.mdfly.com/index.php?main_page=product_info&cPath=5&products_id=415

or an Arduino with a sketch that can act as a programmer, I think Nick Gammon has the best writeup:
http://www.gammon.com.au/forum/?id=11635
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Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

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Do you know if this will work if I connect a working UNO R3 to the Nano v3.0 that I want to reinstall with the bootloader? Should this wind up with me being able to upload sketches to the Nano once with Arduino 1.5.3 once again?
Thanks...arniep
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Following Nick's programming guide, yes.
Have not used 1.5.3, if it operates with same speeds & boards as 1.0.5, you should be okay.
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Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

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