Hi lucas, I have a design (built smd=20 working) using the 18f4553 with usb and=20 serial that I am happy to share if tgat=20 helps. On Fri 01/11/13 4:22 PM , Lucas Tanure=20 ltanure@gmail.com sent: > Hi, >=20 > I need help with a hardware design. Do=20 you guys know any company that > candesign boards with my specification=20 ? > I need one usb board using pic18f4550=20 and other small things. >=20 > Thanks >=20 >=20 > -- > Lucas A. Tanure Alves > +55 (19) 988176559 > --=20 >=20 > http://www.piclist.com/techref/piclist=20 PIC/SX > FAQ & list archiveView/change your=20 membership options at >=20 http://mailman.mit.edu/mailman/listinfo/p iclist >=20 >=20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .