Oled

last modified: October 23, 2025

No Success with First Long Term Measurement

Posted on 2017-03-26— Projects

I ran a five-day long test of my plant watering sensor and the results were confusing, so I started a new, more insulated setup using an Adafruit Feather M0, an optocoupler, and pulse-length encoded signals with interrupts. If you’re interested in the hardware and code details, read the full write-up.

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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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