update : 2006.08.16
copyright 2006 takehisa mashimo all rights reserved.
USB-KEY8 is a multipurpose USB interface assigned 8 keys.
This device is based on the concept of Universal ADB Interface.
USB-KEY8 provides easy circuit to be able to make an interactive interface without drivers development.
And any program language having keydown event is available.
Specification of the device is as follows.
USB-KEY8 SPECIFICATION PDF
And if you have a PIC programmer that is able to write to PIC18F2455/2550 like PICSTARTPlus,
you can use Type-A compiled HEX data (please download by right click).
TYPE-A HEX FILE