Self-ISP on an Uno

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here's fun: it's arduino uno doing isp on itself!



the 8u2 usb chip running modified software - standard usbserial code, merged heavily modified version of arduinoisp sketch.  nice thing can switch between normal operation , isp adding or removing jumper.

if interested in trying out code, let me know , i'll tidy , write instructions.  you'll need uno r2 (r1 not work; r3 ok don't have 1 test) , either isp programmer or arduino.  soldering required (to add header pins).  you'll need confident reprogramming 8u2 - isp, there's potential bricking device if goes wrong.




that's pretty glorious, love it.


Arduino Forum > Using Arduino > Microcontrollers > Self-ISP on an Uno


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