NodeMCU Kube multisensor for openHAB 2 – Part 3 – openHAB configuration and sensor calibration. In this part of the NodeMCU Kube multi sensor series, we’ll focus on ensuring our sensor is correctly outputting its data over Wifi/MQTT, add the proper MQTT topics to the openHAB items and sitemap files, add charting for the temperature and humidity data the sensor provides to openHAB, and calibrate the sensor by letting it run alongside the main temperature sensor in the house (HVAC thermostat) and finding the correct calibration offset. This completes the initial NodeMCU Kube multisensor build series, but I have future ideas for the sensor, including adding a fully enclosed PIR motion sensor, adding pressure, sound, etc sensors, and adding servos to actually control the HVAC registers and house temperature.
openHAB community forum post with write-up:
Note: You will need a persistence service installed if you want to use charts. The simplest one to install is rrd4j, but check out this blog post for a really great write-up on persistence:
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LINKS TO EQUIPMENT/PARTS USED (AFFILIATE):
-Raspberry Pi kit w/case and power supply –
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-32GB Sandisk USB Drive –
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LINKS TO INFORMATION/SITES:
-openHAB documentation (
-Full openHAB 2 Playlist (
-openhabianPI Project/Image –
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