Category Archives: water

Cool robot that can swim, skate, and crawl

Came out in 2018, but still a neat robot to watch in action.

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A robot with pool noodle wheels

Nice build, the author is using a lego robot set and a star shaped pool noodle for the wheels, which gives it some good traction, and allows it to float. https://www.instructables.com/Amphibious-Robots-Using-Pool-Noodle-Wheels/

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Nice 3D printed Hydroponic tower

Nice build. Not so sure I would do it myself, some of the Aerogarden clones are coming down alot in price and maybe an easier setup. https://www.instructables.com/DESKTOP-HYDROPONIC-TOWER/

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Nice foot pump conversion to water pump

basically the author removed the air compression chamber, and put a water pump in its place. Me…not so sure I would do this, could take a bit of work to find a water pump that fits. https://www.instructables.com/id/Air-to-Water-Foot-Pump-Conversion/

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simple hands free wash

I got a kick out of this one. Uses an arduino as the controller. https://www.instructables.com/id/Automatic-Faucet-Touchless-Using-Arduino-Wash-Hand/

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Using a magnetic coupling for a pump

Interesting build. The motor and the pump are not physically connected, but magnets on both parts are used to “turn” the pump with the motor. This is one way to eliminate the need to seal bearing or the motor when … Continue reading

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Going thru one of my Wind/Water power kicks

Happens every year, I start looking at ways to use wind or water to power stuff. This time around I have been thinking of making my own generators, and how to make the coils. Here are some nice starting points: … Continue reading

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Cool build for making power with a rain gutter

I had thought about this before. I like this authors build as he makes the power generator with 3D printed frame, wire and magnets. This would make a cool kit to make with kids. He even has frames you can … Continue reading

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Update to automous R/C boat

The author that build a floating auto tote, now updated to a more modern style (but still had issues). Interesting developing build with this author.

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Make a mini pocket pump

Nice build, pretty simple one too. This could be expanded upon for maybe a powered squirt gun. Thought I don’t know if it would have enough pressure behind it. https://www.instructables.com/id/Pocket-sized-Water-Pump/

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