RPI2 with TLS2561 light sensor connected via i2c, 3 lines for DHT22 sensors and a DS1820 1-wire line for multiple sensors.
It fetches the sensors data and publishes to an MQTT topic the following payload:
{
"device_name":"rpi0",
"sensors":[
{"name":"dht22_0_hum","data":20.100000381469727},
{"name":"dht22_0_temp","data":23.799999237060547},
{"name":"light_sensor","data":4426},
{"name":"ds1820_0","uuid":"28-0000031e44f8","data":23.3},
{"name":"ds1820_1","uuid":"28-0000031e7c61","data":23.4},
{"name":"ds1820_2","uuid":"28-0000031e5f5d","data":23.2}
]
}
- node.js >= 8
- raspi-sensors
- ds18x20
npm install
sudo node server.js
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