node-red-contrib-libgpiod/nodes/gpio-in.html

A set of input and output nodes for controlling General Purpose Input and Outputs (GPIOs) though libgpiod (ioctl)

<script type="text/javascript">
  RED.nodes.registerType('gpio-in', {
    category: 'libgpiod',
    defaults: {
      name: { value: '' },
      state: { value: 'INPUT', required: true },
      device: { value: 'gpiochip0', required: true },
      pin: { value: '', required: false },
    },
    color: '#FCF37A',
    icon: 'font-awesome/fa-sign-out',
    inputs: 1,
    outputs: 1,
    align: 'left',
    paletteLabel: 'GPIO in',
    label() {
      return this.name || `gpio in #${this.pin || '?'}`
    },
  })
</script>

<script type="text/x-red" data-template-name="gpio-in">
    <div class="form-row" id="node-div-deviceRow">
        <label for="node-input-device"><i class="fa fa-circle"></i> Device</label>
        <input type="text" id="node-input-device" placeholder="gpiochip0">
    </div>
    <div class="form-row">
        <label for="node-input-state"><i class="fa fa-wrench"></i> Type</label>
        <select type="text" id="node-input-state" style="width: 150px;">
            <option value="INPUT">Digital pin</option>
        </select>
    </div>
    <div class="form-row"  id="node-div-pinRow">
        <label for="node-input-pin"><i class="fa fa-circle"></i> Pin</label>
        <input type="number" id="node-input-pin" placeholder="12">
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
    <div class="form-tips" id="node-div-formTipRow"><b>Note:</b> You can't use the same pin for both output and input.</div>
  </div>
</script>

<script type="text/x-red" data-help-name="gpio-in">
  <p>gpio input node. A node for receiving data from General Purpose Input and Outputs (GPIOs) pins though libgpiod</p>
</script>