Hydration is important, but it can get to be a hassle refilling that bottle a zillion times a day. DIYer Chris Courses has a project that uses a Raspberry Pi to refill his water bottle. Here’s more from Chris Courses via Raspberry Pi Blog:
The solenoid valve determines when water can and cannot pass through. Mains water comes in through one tube and passes through the water filter, then the solenoid valve releases water via another tube into the bottle.
The Raspberry Pi sends a signal to the solenoid valve telling it to open for a specific amount of time — the length of time it takes to fill a particular water bottle — and to close when that time expires. Chris set this up to start running when he clicks a physical button.
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