Newer drivers don't work(anymore).
I use the driver Prolific from 24-Sep-08 version 3.3.2.102
You have manually to tell windows to use the older one instead of the newer.
Best posts made by Gerard van Seventer
- 
    RE: FTDI No more?posted in General Discussion
- 
    RE: Design question about using interrupts or notposted in DevelopmentThanks @mfalkvidd for your quick reply. 
 Indeed it isn't battery powered. I already have a millis() delay loop so checking the swithes is easy then.
 Thanks again!