humidity_monitoring
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Humidity Monitoring
The crawl space temperature and humidity are monitored via a DHT-22 probe dangling from the joists. This passes through the floor into the control room where it is attached to a Huzzah gathering Temperature and Humidity and sending the data via WiFi to the MQTT broker.
The MQTT topics are on Google Docs in the following spreadsheet:
Google Docs Topic definitions
The monitor is pictured here:
Wiring the DHT device:
humidity_monitoring.1497018385.txt.gz · Last modified: 2017/06/09 10:26 by tomgle