# Signal Inputs

he VAN PI Core is equipped with 8 isolated input signals, designed to provide versatile control over the relays or LEDs through the Dimmy interface. These input signals accommodate a voltage range from 6V to 30V, ensuring compatibility with various control systems. For proper operation, **it is essential to add a ground** connection to the 10-pin connector for the signals. This ground can either be tied to your system ground or to a separate isolated ground, depending on your specific requirements.&#x20;

You have the flexibility to use either a switch for permanent changes or a button as a trigger signal. You can find the configuration options for these inputs on the web interface under **Config -> Switches -> Inputs**. By following this guideline, you can ensure reliable and stable performance of the VAN PI Core in your applications.

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