usb module

Parts Questions
1

can i use 6n136 optocoupler instead 6n148 in usb module??

thanks

2

I don’t think there are any problems with that If you use same modification to circuit as with core module and 6n136:

http://www.ucapps.de/mbhp/mbhp_core_6n136_variant.jpg

Bye, Moebius