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last modified: October 23, 2025

Plant Watering Sensor – Long Term Logging

Posted on 2017-03-14— Projects

I built a compact logger to collect long-term capacitive readings from my plant watering sensor. Using a Feather M0, RTC/SD FeatherWing and a tiny OLED, it logs averaged frequency to CSV every minute so I can study watering-to-dry cycles. Read on for parts and details.

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