This project is another project with "libusb". i write a project with vb6. in project i read temperature of LM35 thermometer ic and send data to pc with a ATmega8 and libusb protocol.
in vb6 , application read temperature of usb device on 1 Second and report in led view & chart View.

this project can be to led view by clicking restore button
.

you can source code Here.
and for download driver click Here.
schematic.