<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> <div class="form-row"> <label for="node-input-pulse"><i class="fa fa-clock-o"></i> Repeat (S)</label> <input type="text" id="node-input-pulse" placeholder="time between readings"> </div> <div class="form-row"> <label for="node-input-precision"><i class="fa fa-balance-scale"></i>Decimal Places</label> <input type="text" id="node-input-precision" placeholder="decimal places 0 or 1"> </div> <div class="form-row"> <label for="node-input-topic"><i class="fa fa-bars"></i> Topic</label> <input type="text" id="node-input-topic" placeholder="optional topic"> </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"><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 measurement every 0.5s (default) - but only if the distance is different from the previous reading.</p> <p>You can specify resolution up to one decimal place.</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:"" }, topic: { value:"SRF" }, pulse: {value:"0.5" }, pins: { value:"", required:true, validate:RED.validators.regex(/^\d+,\d+$/) }, precision: {value:"0", validate:RED.validators.regex(/^0|1|^$/)} }, inputs:0, outputs:1, icon:"rpi.png", label:function() { return this.name||"Pi SRF"; }, labelStyle:function() { return this.name?"node_label_italic":""; } }); </script>