John Opsahl

Hard, open-ended problem? Lets solve it.

Columbia, Missouri
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This user joined on 07/09/2019.

Things I've Built

Automated 5 Gallon Bucket Feeder

A custom 5 gallon bucket feeder for pets.


A joystick controlled wall plotter with record and playback capabilities.

Skittle Pixel8r

A machine that creates images using Skittles as pixels.

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VALENTINE wrote 11/23/2023 at 17:54 point

Thank you. Cheers! Valentine

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mihai.cuciuc wrote 11/18/2022 at 05:47 point

Hi John! Thanks for your interest in #Squeak: GPS pet tracker 

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Michael Gardi wrote 06/04/2021 at 11:36 point

Thanks for your interest in my Exploring Flip Dots project John. 

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Giovanni wrote 03/21/2021 at 19:00 point

Thanks for following :) 

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