Press down on this origami frog and the LED eyes start to glow. Release it, and the frog will leap across the table (sometimes even flipping in midair).
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Category Archives: News
Audio: Crystal cMoy Freeform Headphone Amp
Non-standard Circuits: Jazz For Electrons
How creative are you when you make your circuit boards? Do you hunt around for different materials to use for the board? As long as it’s an insulator and can handle the heat of a soldering ir…
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Stunning Fake Polaroid Camera Performs Magic
It’s high time us Muggles got our hands on the hardware used to take Magical Photographs as seen in The Daily Prophet. The first pioneering step in that direction has been taken by [Abhishek] who b…
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Tomy Turnin’ Turbo Dashboard Outrun Arcade
Build log for my retro Outrun arcade machine built from a Tomy Turnin’ Turbo Dashboard 80s toy and a Raspberry Pi
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How To Do PCB Art In Eagle
Last month I had the pleasure of creating a new piece of hardware for Tindie. [Jasmine], the queen bee of Tindie, and I designed, developed, and kitted three hundred Tindie badges in ten days leadi…
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Control Thy LED
In a previous article, I discussed LEDs in general and their properties. In this write-up, I want to give some examples of driving LEDs and comparing a few of the most commonly used methods. There …
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Color Sensor from an RGB LED and a Photocell
When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can bu…
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CR2032 Battery Holder With Switch
The purpose is to create a CR2032 battery holder water/dirt resistant with a power switch, using low cost or recycled material.
In this way the battery can b
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Design a Custom Microcontroller Programming and Testing Board
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project.
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