node-red-nodes/hardware/PiSrf/pisrf.html

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HTML

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Copyright 2015 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<script type="text/x-red" data-template-name="rpi-srf">
<div class="form-row">
<label for="node-input-pins"><i class="fa fa-circle"></i> Pins</label>
<input type="text" id="node-input-pins" placeholder="Trigger,Echo">
</div>
<br/>
<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"><b>Tip</b>: Pins MUST be a comma separated list of the 2 GPIO
connector pin numbers that are connected to the Trigger and Echo pins of the SRF04 or SRF05.</div>
</script>
<script type="text/x-red" data-help-name="rpi-srf">
<p>Raspberry Pi input from an SRF04 or SRF05 ultrasonic range finder.</p>
<p>Outputs a <code>msg.payload</code> with a number representing the range in cm.</p>
<p>Produces one measure every 0.5s - but only if the distance is different from the previous reading.</p>
<p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('rpi-srf',{
category: 'Raspberry Pi',
color:"#c6dbef",
defaults: {
name: { value:"" },
pins: { value:"", required:true, validate:RED.validators.regex(/^\d+,\d+$/) }
},
inputs:0,
outputs:1,
icon:"rpi.png",
label:function() {
return this.name||"Pi SRF";
},
labelStyle:function() {
return this.name?"node_label_italic":"";
}
});
</script>