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March 9, 2011
about 5 years ago
MacOS X 10.6.8;
Sparkfun 8x8 RGB matrix with Backpack;
I try to install the new Firmware following this guide: http://www.sparkfun.com/tutorials/200
However, when I run this command:
avrdude -P /dev/tty.usbmodemfa131 -b 19200 -c avrisp -p m328p -v -U flash:w:RGB_Backpack_v5.hex
Then receive a signature error
avrdude: Device signature = 0x000000
avrdude: Yikes! Invalid device signature.
Double check connections and try again, or use -F to override
Therfore I turn on the -F flag:
avrdude -P /dev/tty.usbmodemfa131 -b 19200 -c avrisp -p m328p -v -U flash:w:/Users/i822913/Downloads/RGB_Backpack_v5/RGB_Backpack_v5.hex -F
At this point I receive a verification error
avrdude: verifying …
avrdude: verification error, first mismatch at byte 0x0000
0x0c != 0x00
avrdude: verification error; content mismatch
I thought I could ignore this validation error, but the original issue (off by one pixel) persists.
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