When you have a 'real' Christmas tree, it is important to keep it watered. This project monitors the water level and emails alerts.
Project showcase by Ian Zahn
This project creates a relay and a water pump for monitoring moisture.
Project showcase by Ingo Lohs
At my age you have to get up at night and tend to be tired on the way to the bathroom. Use a PIR-Sensor to trigger the light on!
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