node-red-nodes/io/rawserial/26-rawserial.html

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<script type="text/x-red" data-template-name="rawserial in">
    <div class="form-row">
        <label for="node-input-port"><i class="icon-random"></i> Port</label>
        <input type="text" id="node-input-port" placeholder="COM1">
    </div>
    <div class="form-row">
        <label for="node-input-split"><i class="icon-edit"></i> Split on</label>
        <input type="text" id="node-input-split" placeholder="\n">
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
</script>

<script type="text/x-red" data-help-name="rawserial in">
    <p>Uses a simple read of the serial port as a file to input data.</p>
    <p>You MUST set the baud rate etc <i>externally</i> before starting Node-RED. For example.</p>
    <p>Windows<pre>mode COM1:9600,n,8,1</pre>
    <p>Linux<pre>stty -F /dev/ttyUSB0 9600</pre>
    <p>Note: This node does not implement pooling of connections so only one instance of each port may be used - so in OR out but NOT both.</p>
    <p>Should only really be used if you can't get npm serialport installed properly.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('rawserial in',{
        category: 'advanced-input',
        color:"BurlyWood",
        defaults: {
            name: {value:""},
            split: {value:""},
            port: {value:"", required:true}
        },
        inputs:0,
        outputs:1,
        icon: "serial.png",
        label: function() {
            return this.name||this.port||"Raw Serial";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<script type="text/x-red" data-template-name="rawserial out">
    <div class="form-row">
        <label for="node-input-port"><i class="icon-random"></i> Port</label>
        <input type="text" id="node-input-port" placeholder="COM1">
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
</script>

<script type="text/x-red" data-help-name="rawserial out">
    <p>Uses a simple file write to output <b>msg.payload</b> to the serial port.</p>
    <p>You MUST set the baud rate etc <i>externally</i> before starting Node-RED. For example.</p>
    <p>Windows<pre>mode COM1:9600,n,8,1</pre>
    <p>Linux<pre>stty -F /dev/ttyUSB0 9600</pre>
    <p>Note: This node does not implement pooling of connections so only one instance of each port may be used - so in OR out but NOT both.</p>
    <p>Should only really be used if you can't get npm serialport installed properly.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('rawserial out',{
        category: 'advanced-input',
        color:"BurlyWood",
        defaults: {
            name: {value:""},
            split: {value:""},
            port: {value:"", required:true}
        },
        inputs:1,
        outputs:0,
        icon: "serial.png",
        align: "right",
        label: function() {
            return this.name||this.port||"Raw Serial";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>