Quo Vadis ? Stories from a home laboratory


Homy and plants

After having all the light bulbs in the house under control, I couldn't resist electrifying the rest of the household 🙂 I spent couple of days looking around the house, and finally found the next "thing" to experiment with. Couple of months ago my wife and me got a Dracaena tree. Since we had no experience in nursing the plants, we had some doubts about when and how often to water it. I decided to solve this problem in geeky engineering way.

After some online investigation on how to measure a "water level" for the plant, I came across some nice articles: How to make a cheap soil moisture sensor?Gypsum Blocks / Electrical ResistanceMoisture Sensor Prototype, ... It was clear I would need to build a gypsum sensors myself, since it was cheaper and more fun. After quick visit to the nearby hobby shop, all necessary tools and materials were at the table: nails, gypsum, thick paper...

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