I'm a complete newbie to robotics, but Nybble was to be my introduction. I've assembled Nybble but I can't get Arduino IDE to recognize the 20Mhz processor. It recognizes the other Arduino Pro or Pro mini processors in the avr/bootloaders/atmega folder but not the ATmega328_20MHz.hex file for Nybble. I've confirmed that the boards.txt file in the avr folder is the one being used, but I can' figure out why the 20MHz processor isn't being recognized by Arduino. Any suggestion?
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I have started over and I have successfully got Nybble to show the 20 MHz processor and now I'm ready for step 4.2.7, but I don't know which of the 5 repositories in OpenCat to use--Orpheus, Corsair Server, Boss Story, Nin or Ninja MS. ??
In Preference setting where you pasted it.
I tried burning the bootloader annd got an error message--Arduino: 1.8.9 (Windows 10), Board: "Arduino Pro or Pro Mini, ATmega168 (5V, 16 MHz)"
Error downloading https://raw.githubusercontent.com/PetoiCamp/O/penCat/master/Resources/NyBoard/boardManager/package_petoi_nyboard_index.json
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x24
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x24
Error while burning bootloader.
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
it’s connected through the red 6-pin to USB uploaded. Physically, you can see the Tx and Rx pins on the boards. In software, you need to select the port in Arduino IDE->Tools->Port.
Check both 4.2.3 and 4.2.4 in the instruction to add the board.