If the Phidget is working properly in the Phidget Control Panel on the second computer, there must be an issue with the script. Could it be that AHK is configured differently or some other program or service is interfering with it? Test with a non-Phidget AHK script to confirm. Today I tested with ...

"Test with a non-Phidget AHK script to confirm" I´ll do that. Thanks

I pasted and copied AHK script and reviewed it. It´s exactly the same.
I think as you said: some other program or service is interfering with it, but can´t find it.

Hi, I´m using an AHK script together with a phidget interface kit 0/0/4 to turn on a led light. I have tried exactly the same on 2 computers with W10. In one pc it goes perfect and in the second pc it doesn't work. When I test(in the second pc) the phidget from its control panel it turns on and off....