USB to Yaesu CAT interface
This page contains draft of USB CAT interface for Yaesu 8x7 (817, 847, 897). Tested with FT857 by OK1USW.
Schematics
PCB
Box can be obtained here: http://www.krabicky.cz/plastova-krabicka-km-24.html
Photos
First sample by OK1USW.