树莓派3b Node-red dashboard 第一个测试程序

https://www.youtube.com/watch?v=UKv4_jvPtr4&index=2&list=PL-LuHXHssBEOzzXcIaxrCcYv37_izzzAc

[{"id":"15d4e229.de9d2e","type":"function","z":"e3aca2b9.00ea7","name":"temperature","func":"str=msg.payload;\nmsg.payload=str.substring(5,9);\nreturn msg;","outputs":1,"noerr":0,"x":470,"y":296.5,"wires":[["7a0ba386.d5fc24"]]},{"id":"7a0ba386.d5fc24","type":"ui_gauge","z":"e3aca2b9.00ea7","name":"","group":"d6ccf1c9.b74398","order":0,"width":0,"height":0,"gtype":"gage","title":"CPU. Temp","label":"℃","format":"{{value}}","min":0,"max":"80","colors":["#00b500","#e6e600","#ca3838"],"seg1":"","seg2":"","x":679,"y":333.5,"wires":[]},{"id":"bf50d228.72e178","type":"inject","z":"e3aca2b9.00ea7","name":"","topic":"","payload":"","payloadType":"date","repeat":"1","crontab":"","once":false,"onceDelay":0.1,"x":104,"y":305.5,"wires":[["db3ed94d.c4bdb"]]},{"id":"db3ed94d.c4bdb","type":"exec","z":"e3aca2b9.00ea7","command":"vcgencmd measure_temp","addpay":false,"append":"","useSpawn":"false","timer":"","oldrc":false,"name":"temp","x":255,"y":312,"wires":[["15d4e229.de9d2e"],[],[]]},{"id":"d6ccf1c9.b74398","type":"ui_group","z":"","name":"tem","tab":"8d45c1ce.10593","disp":true,"width":"6","collapse":false},{"id":"8d45c1ce.10593","type":"ui_tab","z":"","name":"Temp","icon":"dashboard"}]

必须定义Tab，打开 http://192.168.XX.XX:1880/ui/

才会有见到动画表头。

Group不一定要定义，定义了名称就会在动画里头看到Group定义的名称。没定义就为空