Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-user is "dimmer">
    <p>With this node you can add a dimmer to an existing dashboard or a new one created by the node to select numbers in an
        interval.
    </p>

    <h3>Configuration</h3>

    <dl class="message-properties">
        <dt>dashboard
            <span class="property-type">string</span>
        </dt>
        <dd>Dashboard title to which the dimmer will be added</dd>
        <dt>widget
            <span class="property-type">string</span>
        </dt>
        <dd> Title that will have the widget containing the dimmer.</dd>
        
    </dl>

    <h3>Inputs</h3>
    <dl class="message-properties">
        <dd> Number to set in the dimmer</dd>
    </dl>

    <h3>Outputs</h3>
    <dl class="message-properties">
        <dd> Returns the number selected with the dimmer</dd>
    </dl>