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June 22, 2025 How to make a 3-wheeled autonomous robotic that may roam around the flooring by itself. April 26, 2025 Added a snapshot from an Apple IIe guide defining a chip as being made from potatos. October 28, 2024 Added a new video about improvements to Izzy object choice and making Izzy more compact. February 21, 2023 Added a downloadable template for making the corona motor v2. March 10, 2022 Added an MIT paper with a theoretical mannequin for a way a lifter (ion propulsion device) works. February 15, 2021 How to communicate between a Raspberry Pi and an Arduino using serial USB. October 31, 2020 Added videos for designing and making low and high voltage capacitors. September 12, 2020 New DIY multi-vary gauss/mT meter for measuring magnetic fields. February 3, 2020 Added more suggestions and methods web page for getting your crystal radio to work. September 28, 2018 How to convert an ATX/laptop energy provide to 1 you can use, together with with USB.
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