Node-Red MQTT基本實驗

  Node-Red MQTT基本實驗

ON Bouuton 節點	Payload :　on
OFF Bouuton 節點	Payload :　off
MQTT out節點	Server :broker.hivemq.com :　1883 Qos=1  保留: 是 發行主題 : alex9ufo/node-red/out
MQTT in節點	Server :broker.hivemq.com :　1883 Qos=1  保留: 是 發行主題 : alex9ufo/node-red/out
Audio Out 節點	1.     Microsoft Yatinf—Chinese
Function 節點	var onoff=msg.payload;   if (onoff=="on") {     msg.payload=true; } if (onoff=="off") {     msg.payload=false; }  return msg;
勤益科大 Bouuton 節點	Payload :　 勤益科大
Hello  Bouuton 節點	Payload :　 hello
MQTT out節點	Server :broker.hivemq.com :　1883 Qos=1  保留: 是 發行主題 :  alex9ufo/esp32/hello
MQTT in節點	Server :broker.hivemq.com :　1883 Qos=1  保留: 是 發行主題 : alex9ufo/esp32/hello
Text 節點	Label :　訂閱主題 : Value format{{msg.payload}} Layout:　上中

 

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no1=getRandomInt(min = MIN, max = MAX);\nvar no2=getRandomInt(min = MIN, max = MAX);\nvar no3=getRandomInt(min = MIN, max = MAX);\nvar no4=getRandomInt(min = MIN, max = MAX);\nvar no5=getRandomInt(min = MIN, max = MAX);\nvar no6=getRandomInt(min = MIN, max = MAX);\nvar no7=getRandomInt(min = MIN, max = MAX);\nvar no8=getRandomInt(min = MIN, max = MAX);\nvar var1=decToHex(no1);\nvar var2=decToHex(no2);\nvar var3=decToHex(no3);\nvar var4=decToHex(no4);\nvar var5=decToHex(no5);\nvar var6=decToHex(no6);\nvar var7=decToHex(no7);\nvar var8=decToHex(no8);\n\nmsg.payload=[var1,var2,var3,var4,var5,var6,var7,var8];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":320,"y":60,"wires":[["a0a0aebe98475ee0"]]},{"id":"a0a0aebe98475ee0","type":"function","z":"67d337ef020161d4","name":"整理輸出","func":"var temp=\"\";\nfor (var i = 0; i < msg.payload.length; i++) \n{\n    temp=temp+ \" \" + msg.payload[i];\n    temp=temp.toUpperCase();\n}\nmsg.payload=temp;\nreturn 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