Hello Paul Gerhardt ,
"
The Rev change to C from B, main reason is the 8N04 chip is different, the 8N04 chip on RevC with OTA function, while RevB without.
The design files for RevB and RevC is almost same, only some component name and value get a little bit change,
such as XC6227 change to XC6206, LED APHD1608LCGCK change to OSRAM LY L29K, LED RES: R26,27,29,32,36,37,38 value change to 51ohm.
only speaker circuit get some change, but function is same.
So you can use the RevB design files for RevC board with no problem. Thanks.
"
Have a great day,
TIC
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