this is how we did it before the embedded ver. we took the data from the Websocket stream
Code:
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\nvar value= msg.payload;\n\n\n vout = (value * 5.0) / 1024.0; \n vin = vout / (R2/(R1+R2)); \n \n//vin.toFixed(1);\n\nmsg.payload=vin;\n\nreturn msg;","outputs":1,"noerr":0,"x":831.0000858306998,"y":468.0000209808,"wires":[["98aba5d9.42bef8"]]},{"id":"98aba5d9.42bef8","type":"function","z":"36380e2.d71d3f2","name":"","func":"msg.value=msg.payload;\nreturn msg;","outputs":1,"noerr":0,"x":951.0000858306998,"y":468.0000209808,"wires":[["dcd1eb5.23eb518"]]},{"id":"afb6e2d8.8d75b","type":"mqtt in","z":"36380e2.d71d3f2","name":"","topic":"/ESP03/watertemp/Temperature","qos":"0","broker":"6f02c0a4.b27a2","x":149,"y":916,"wires":[["cdf3197f.cb8ee8","b92de8b6.a6db68"]]},{"id":"723dca8a.ceee84","type":"function","z":"36380e2.d71d3f2","name":"","func":"msg.value=msg.payload;\nreturn msg;","outputs":1,"noerr":0,"x":513.0003166198999,"y":913.0001249313,"wires":[[]]},{"id":"68d11d6b.4be6a4","type":"switch","z":"36380e2.d71d3f2","name":"Is it nav data?","property":"msg.payload.updates.source.sentence","propertyType":"jsonata","rules":[{"vt":"str","t":"cont","v":"GLL"}],"checkall":"false","repair":false,"outputs":1,"x":399,"y":296,"wires":[["f88297c4.e417f8"]]},{"id":"f88297c4.e417f8","type":"change","z":"36380e2.d71d3f2","name":"create msg.lat etc","rules":[{"p":"LAT","pt":"msg","t":"set","tot":"jsonata","to":"payload.updates.values.value.latitude"},{"p":"LONG","pt":"msg","t":"set","tot":"jsonata","to":"payload.updates.values.value.longitude"}],"action":"","property":"","from":"","to":"","reg":false,"x":659,"y":256,"wires":[["d13a2883.029a48"]]},{"id":"d13a2883.029a48","type":"function","z":"36380e2.d71d3f2","name":"Make JSON","func":"var mymsg = {\"name\":\"MyPlace\",\"lat\":msg.LAT,\"lon\":msg.LONG, icon:\"ship\",\niconColor:\"red\"};\n\nmsg.payload=mymsg;\nreturn msg;","outputs":1,"noerr":0,"x":849,"y":256,"wires":[["f134cc01.96ac1"]]},{"id":"d98e249.32fadd8","type":"json","z":"36380e2.d71d3f2","name":"","property":"payload","action":"","pretty":true,"x":209,"y":296,"wires":[["68d11d6b.4be6a4"]]},{"id":"4e043d25.ff2f34","type":"function","z":"36380e2.d71d3f2","name":"","func":"msg.value=msg.payload;\nreturn msg;","outputs":1,"noerr":0,"x":1069.0000648499,"y":296.0000066757,"wires":[[]]},{"id":"fa104573.1f6738","type":"function","z":"36380e2.d71d3f2","name":"heel","func":"msg.value=msg.payload;\n\nreturn msg;","outputs":"1","noerr":0,"x":1045.0000858307,"y":428.0000209808,"wires":[[]]},{"id":"b569d003.467af","type":"ui_template","z":"36380e2.d71d3f2","group":"3fec2209.be279e","name":"Tempwater","order":4,"width":"3","height":"6","format":"<script src=\"/myjs/tween-min.js\"></script>\n<script src=\"/myjs/steelseries-min.js\"></script>\n<script>\nvar tempwater;\n (function(scope){ \n scope.$watch('msg', function(msg) {\n if (typeof(msg.value) != \"undefined\") tempwater.setValueAnimated(msg.value);\n //if (typeof(msg.threshold) != \"undefined\") radial4.setThreshold(msg.threshold);\n // if (typeof(msg.odo) != \"undefined\")radial4.setOdoValue(msg.odo); 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\nmsg.payload=value;\nreturn msg; ","outputs":1,"noerr":0,"x":805,"y":510.9999952316,"wires":[["f20136a.1f4e2c8"]]},{"id":"f20136a.1f4e2c8","type":"function","z":"36380e2.d71d3f2","name":"","func":"msg.value=msg.payload; \nreturn msg;","outputs":1,"noerr":0,"x":958.0003128051999,"y":511.00004482270003,"wires":[[]]},{"id":"1fb0019d.18cb1e","type":"function","z":"36380e2.d71d3f2","name":"compass","func":"var signalk_key=\"navigation.headingMagnetic\";\n\nif(msg.payload.hasOwnProperty(signalk_key)){\n msg.payload=msg.payload[signalk_key];\n return msg;\n \n\n}","outputs":"1","noerr":0,"x":632.0001220703,"y":388.0000362396,"wires":[["5090be80.b0b7b"]]},{"id":"5090be80.b0b7b","type":"function","z":"36380e2.d71d3f2","name":"Rad to Deg","func":"var rad = msg.payload;\nvar deg = rad * 180/3.14;\nmsg.payload=deg;\nreturn msg ;","outputs":1,"noerr":0,"x":789,"y":376,"wires":[["37c670f2.960a6"]]},{"id":"37c670f2.960a6","type":"function","z":"36380e2.d71d3f2","name":"","func":"msg.value=msg.payload;\nreturn msg;","outputs":1,"noerr":0,"x":947.0001373291,"y":386.0000314713,"wires":[[]]},{"id":"42234a4b.a94be4","type":"function","z":"36380e2.d71d3f2","name":"Rad to Deg","func":"var rad = msg.payload;\nvar deg = rad * 180/3.14;\nmsg.payload=deg;\nreturn msg ;","outputs":1,"noerr":0,"x":809.0000858306998,"y":427.0000209808,"wires":[["fa104573.1f6738"]]},{"id":"220ea0b0.b5334","type":"function","z":"36380e2.d71d3f2","name":"Water Temp","func":"var signalk_key=\"environment.water.temperature\";\n\nif(msg.payload.hasOwnProperty(signalk_key)){\n msg.payload=msg.payload[signalk_key];\n return msg;\n \n\n}","outputs":1,"noerr":0,"x":658,"y":559.000002861,"wires":[["eacb4000.ad19d"]]},{"id":"c88e6751.7eece8","type":"function","z":"36380e2.d71d3f2","name":"","func":"msg.value=msg.payload;\nreturn msg;","outputs":1,"noerr":0,"x":955.0000610351999,"y":552,"wires":[[]]},{"id":"eacb4000.ad19d","type":"function","z":"36380e2.d71d3f2","name":"K to F","func":"var temp = msg.payload;\n\nvalue = (temp * 9.0) / 5.0 - 459.67; 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