Tip: Integrate Xiaomi Mi Flora Plant Sensor
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adminThanks to the integrated Bluetooth function of the Raspberry Pi (older models require a Bluetooth USB dongle), certain Bluetooth sensors can now also be integrated. One of them is the “Xiaomi Mi Flora Plant Sensor”, which is available in stores for around 25-30 EUR.
The sensor has 4 interesting values: soil moisture, temperature, brightness and conductivity, the last being the soil nutrient content.
The project we need for this is here:
https://github.com/ThomDietrich/miflora-mqtt-daemon
In principle you can proceed exactly as in the instructions. In OpenSprinkler You then simply set up an MQTT sensor and link it to the topic “miflora/ ", where is the name that you entered in the config.ini.
Another note: Bluetooth scanning with “sudo hcitool lescan” didn’t work for me because the hcitool has probably already been discontinued. Instead, “sudo bluetoothctl scan le” should work.