A simple daemon to report a 1wire DS18B20 temperature probe to MQTT.
./w1temp2mqtt -broker tcp://mqtt.home:1883 -topic sensor/temperature -device 28-000000000000
| Option | Default | Description |
|---|---|---|
| device | 1wire device ID to report on | |
| interval | 10s | How often to read the device |
| broker | tcp://localhost:1883 | MQTT Broker connext string |
| clientid | w1temp2mqtt | MQTT client ID |
| topic | w1temp2mqtt | MQTT topic to publish lines on |
[Unit]
Description=Report Outside Temperature to MQTT
[Service]
User=pi
ExecStart=/usr/local/bin/w1temp2mqtt -broker tcp://localhost:1883 -topic sensor/outside-temperature -device 28-000000000000
Restart=always
[Install]
WantedBy=multi-user.target