client.publish("alex9ufo/DS18B20/temp",jsonChar);
與
client.publish("alex9ufo/DHT11/temp_humi" , json_buffer);
jason 檔案如下
{"data":{"DS18B20": "28.50"}}
{"device_name":"ESP_7536714","type":"dth","temperature":"27.00","humidity":"45.00"}
DHT11 Temperature=27.00, Humidity =45.00
Publish message:
alex9ufo/DS18B20/temp{"data":{"DS18B20": "28.50"}}
alex9ufo/DHT11/temp_humi{"device_name":"ESP_7536714","type":"dth","temperature":"27.00","humidity":"45.00"}
DS18B20 Temperature=28.50
DHT11 Temperature=27.00, Humidity =45.00
Publish message:
alex9ufo/DS18B20/temp{"data":{"DS18B20": "28.50"}}
alex9ufo/DHT11/temp_humi{"device_name":"ESP_7536714","type":"dth","temperature":"27.00","humidity":"45.00"}
利用Node-Red 擷取出 溫度 濕度 資料 並將 字串轉int 格式
=======================================
//var pres = msg.payload.pressure;
var temp = msg.payload.data.DS18B20;
//var humidity = msg.payload.humidity;
var tmp1= parseInt(temp);
msg.payload = tmp1;
return msg;
=======================================
//var pres = msg.payload.pressure;
var temp = msg.payload.temperature;
//var humidity = msg.payload.humidity;
var tmp1= parseInt(temp);
msg.payload = tmp1;
return msg;
=======================================
//var pres = msg.payload.pressure;
//var temp = msg.payload.temperature;
var humidity = msg.payload.humidity
var tmp1= parseInt(humidity);
msg.payload = tmp1;
return msg;
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