Monitoring USB port Voltage & current

I was wondering is there any open source program/code I can use to monitor the output Voltage & current of each individual 4 laptop USB port?

Thanks for the help in advance
Who is Participating?
not sure if it helps, but you can se the current used in device manager>usb device properties>energy tab
Voltage is +5 V

why do you want to monitor it ?
Khalid Mehmood AwanCommented:
csharp_learnerAuthor Commented:
Thanks for the prompt reply but the thread is for RS232 while i'm looking into the USB ports.
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