I'm using a custom compiled stk500v2 bootloader for an atmega2561 in an STK501/STK500 dev board. I burned the bootloader using an avrjtagmkII (I left the jtag fuse enabled). I modified the makefile for the cpu in use and for a 57600baud rate as well as an 8mhz clock rate. The very first time I tired…

ATmega2561 bootloader

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