Displaying data from RHF1S001 in node-red


rhf1s001The RisingHFā€™s Temperature and humidity LoRaWAN sensor node RHF1S001 is aimed at outdoorĀ application with itā€™s IP64 protection level. And thanks to itā€™s high performance internal antenna andĀ LoRa technology used, the sensor could operate in extremely hard environment or ultra-long range application. In addition to all above, the ultra-low sleep current help it to work in a long life, 5 years (uplink every 2 minutes) or even 10 (uplink every 5 minutes) years.

Here is sample code to displaying data to dashboard node-red, Raw data taken from MQTT convert to JSON Object.

Screenshot from 2018-07-03 07-53-19

[{"id":"4e63f2ca.376b64","type":"mqtt in","z":"b6605d08.a927b","name":"","topic":"thrf/#","qos":"2","broker":"ce3645f8.a18d78","x":70,"y":2920,"wires":[["9c30a7cc.16ac38"]]},{"id":"a4fb0e04.52f6b","type":"function","z":"b6605d08.a927b","name":"decode temp","func":"var obj = msg.payload;\nvar data = obj.data;\n\nvar temp1 = data.toString().substr(2, 2);\nvar temp2 = data.toString().substr(4, 2);\nvar temp = temp2 + temp1;\n// var tmp = \"0x\" + temp; \n\nfunction hexToDec(hex) {\n return hex.toLowerCase().split('').reduce( (result, ch) =>\n result * 16 + '0123456789abcdefgh'.indexOf(ch), 0);\n}\n\nvar value = hexToDec(temp);\n\nvar t = ((175 * value)/65536) - 46.85;\n\nmsg.payload = t.toFixed(2);\n// return msg;\n// msg.payload = obj.data;\nreturn msg;","outputs":1,"noerr":0,"x":430,"y":2980,"wires":[["db7f0faf.eec008"]]},{"id":"de0b9d41.21bd3","type":"function","z":"b6605d08.a927b","name":"data","func":"var obj = msg.payload;\nmsg.payload = obj.data;\nreturn msg;","outputs":1,"noerr":0,"x":410,"y":2920,"wires":[["88553271.5b5678"]]},{"id":"88553271.5b5678","type":"debug","z":"b6605d08.a927b","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":590,"y":2920,"wires":[]},{"id":"9c30a7cc.16ac38","type":"json","z":"b6605d08.a927b","name":"","property":"payload","action":"obj","pretty":true,"x":210,"y":2920,"wires":[["de0b9d41.21bd3","a4fb0e04.52f6b","3ef4e4a1.49fcac","cbbcecc.d9fbc9"]]},{"id":"3ef4e4a1.49fcac","type":"function","z":"b6605d08.a927b","name":"decode hum","func":"var obj = msg.payload;\nvar data = obj.data;\n\n\nvar humidity = data.toString().substr(6, 2);\n// var hum = \"0x\" + humidity; \n\nfunction hexToDec(hex) {\n return hex.toLowerCase().split('').reduce( (result, ch) =>\n result * 16 + '0123456789abcdefgh'.indexOf(ch), 0);\n}\n\nvar value = hexToDec(humidity);\n\n\nvar RH = (((125 * value)/256) -6);\n\nmsg.payload = RH.toFixed(2);\n\n// return msg;\n// msg.payload = obj.data;\nreturn msg;","outputs":1,"noerr":0,"x":430,"y":3040,"wires":[["3dd9c892.32f9b8"]]},{"id":"cbbcecc.d9fbc9","type":"function","z":"b6605d08.a927b","name":"decode batt","func":"var obj = msg.payload;\nvar data = obj.data;\nvar batt = data.toString().substr(16, 2);\n\nfunction hexToDec(hex) {\n return hex.toLowerCase().split('').reduce( (result, ch) =>\n result * 16 + '0123456789abcdefgh'.indexOf(ch), 0);\n}\n\n\n\nmsg.payload = (hexToDec(batt) + 150) * 0.01;\n\n// msg.payload = RH.toFixed(2);\n\n// return msg;\n// msg.payload = obj.data;\nreturn msg;","outputs":1,"noerr":0,"x":430,"y":3100,"wires":[["c70731a.a7ba85"]]},{"id":"3dd9c892.32f9b8","type":"ui_chart","z":"b6605d08.a927b","name":"","group":"44b692c4.bec04c","order":0,"width":0,"height":0,"label":"hum rhf","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"","ymax":"","removeOlder":1,"removeOlderPoints":"","removeOlderUnit":"3600","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":640,"y":3040,"wires":[[],[]]},{"id":"c70731a.a7ba85","type":"ui_chart","z":"b6605d08.a927b","name":"","group":"44b692c4.bec04c","order":0,"width":0,"height":0,"label":"batt rhf","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"","ymax":"","removeOlder":1,"removeOlderPoints":"","removeOlderUnit":"3600","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":640,"y":3100,"wires":[[],[]]},{"id":"db7f0faf.eec008","type":"ui_chart","z":"b6605d08.a927b","name":"","group":"44b692c4.bec04c","order":0,"width":0,"height":0,"label":"temperture rhf","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"","ymax":"","removeOlder":1,"removeOlderPoints":"","removeOlderUnit":"3600","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":660,"y":2980,"wires":[[],[]]},{"id":"ce3645f8.a18d78","type":"mqtt-broker","z":"","name":"loralocal","broker":"00.00.00.00","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closeQos":"0","closePayload":"","willTopic":"","willQos":"0","willPayload":""},{"id":"44b692c4.bec04c","type":"ui_group","z":"","name":"RHF","tab":"b031aecd.a463f","order":1,"disp":true,"width":"6","collapse":false},{"id":"b031aecd.a463f","type":"ui_tab","z":"","name":"GATEWAY","icon":"desktop_mac","order":2}]

Datasheet sensor

http://www.risinghf.com/#/product-details?product_id=1&lang=en