If you're looking for ways to use less water, Instructables user tamberg developed a DIY water faucet sensor that shows you when you've used up a liter. Using an Arduino, flow sensor, and colored LEDs ...
Keeping a tree watered is the best way to ensure a long life, but it can be difficult to see the water level sometimes, which is why blogger Eric Ayars created a reminder system with an Arduino. Using ...
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