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By brainwav
Hi, I have an old Freeduino SB 2.1. It came with a Mega168. Somehow that 168 doesn't work anymore so I bought a 328 that doesn't have the bootloader on it. I have an AVR ISP programmer, but don't know what bootloader to put on it. I've tried a couple hex files from the arduino/bootloader folders, but it doesn't seem to work.

Any hints??