Found one on ebay with directions on how it is used. Seems like it just controls the USB port power for device plugged into the timer board. Does not look like a good solution as it does not provide info to the PC.
Quote:
this is used for USB device power supply and time control .
can be used with a coin acceptor or other devices that can output pulse signals.
the time can be set by seconds or by minutes.
maximum time :there are 2 version of software
1. 99:00 (minutes:seconds) or
2. 99:00 (hours:minutes)
normally we will ship out 99:00 (minutes:seconds) version.
if you require maximum time 99:00 (hours: minutes) version ,
please let us know before we ship it .
specification
1. Controls USB devices (USB mouse , keyboard ...etc)
2. Suitable for public place location
3. Digital timer: rate adjustable by owner through two simple push button switch;
size :54.30 mm × 91.0 mm
manual:
1.power wire : yellow wire +12V , black wire 0V(ground).
2.signal input : white wire connect to coin acceptor's output or other devices output .
3.connect USB wires to USB devices.
4.set up the time and price for machine to work by pushing buttons s1(+), s2(-), and s3(setup).
Setup process:
1. Press S3 , into time setup mode , then use s1(+), s2(-), buttons to set up time as you need.
2. Press S3 for 5 seconds , into price setup mode , then use s1(+), s2(-) to setup up the price value as you need.
For example , If you are using 10cent , 20cent and 50cent coins .we can setup with coin acceptor output as 1 , 2 and 5 pulses . then set up the time (say 10 minutes) and price (say value 5 ) , then when you insert coins and reach total amount 50 cents , the timer board will allow your machine to run for 10 minutes.