If you operate the controller via USB, no external power supply is necessary. The controller is powered directly via the USB bus. When operating via RS232, you need an external power supply of +5V.

With our standard controllers for 4.5 and 8 analog resistive touchscreens, pin 4 must be supplied with +5V. Pin assignment of the connectors

Christian Kühn

Christian Kühn

Updated at: 28. August 2023
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