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[on:]

I would like to create my own version of Arduino...or a 'duino. And I want to know; can you bootload any ATmega chip? Or do only some work.

[Reply #1 on:]

I think it's limited to the ones listed in the board selection pull down list in the IDE. This has increased over time with the IDE version upgrades. The file boards.txt in the hardware folder lists the devices supported in more detail I believe.

Lefty

[Reply #2 on:]

I have these chips running:

atmega168,328,32
and other people use atmega8 and 16...

attiny84,85 (own bootloader)

which mcu do you want to use in your project? I guess it is possible to use almost any atmega chip.

[Reply #3 on:]

Something like the ATmega1280. I want to make my own board for a big project instead of just shielding the Duemilanove or Mega.

[Reply #4 on:]

http://code.google.com/p/arduino/source/browse/#svn/trunk/hardware/bootloaders/atmega

you can see that atmega1280 is supported. You can even download a .hex file for it there. I guess this is the chip that is being used on the new Arduino Mega... but I am more into the opposite direction (use smaller attiny mcus) so I guess you have to try it because I never worked with the atmega1280.