[TK.]

Although I initially planned to cancel the project (which I've implemented years ago), I finally decided to release the MBHP_USB_PIC "as-is" with a documentation of the known issues.

-> http://www.ucapps.de/mbhp_usb_pic.html

Short summary:

• In general it works fine under Windows and Linux, but there is a potential risk for data loss when large SysEx dumps are sent and received concurrently. However, MIOS uploads are unidirectional, and therefore working stable enough
  
• Windows legacy driver is not multiclient capable. This means: you have to close your MIDI software (or release the MIDI ports) when using MIOS Studio
  
• The module is not working correctly under Mac OS X (tested with Leopard only)
  
• the latest PIC18F4550 (or PIC18F2550) revision 5 is required to overcome the EUSART bug
  
• no PCB available (yet), but MBHP_CORE module can be used. Just add the USB socket, a 470 nF cap, replace the crystal by a 20 MHz type, and add a Reset and Bootloader button.

Best Regards, Thorsten.

[bill]

great  ;D
one more time, thank you Thorsten !!

[Mr. zip]

A 4Mhz crystal can also be used due to how the 4550's PLL works.

[Soclt]

I have made eagle SCH and PCB for 4550 if needed. Seems like working.

P.S. I'm not a pro in engineering, so maybe anyone could make single sided PCB from schematic?

[nILS]

Post the .sch here and we'll see what we can do ;-)

[Soclt]

Here You go, check for mistakes. Should be fine, but don't know if all nominals are good, because I like clone button :)