power

Electronic Batteryless Dice

Faraday For Fun: An Electronic Batteryless Dice using Microcontroller ATTiny13

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There has been a lot of interest in muscle powered electronic devices, due in large part to the success of Perpetual Torch Perpetual Torch, also known as battery-less LED torch. The battery-less torch consists of a voltage generator to power the LEDs, an electronic circuit to condition and store the voltage produced by the voltage generator and high efficiency white LEDs. […]

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LED Matchstick

Fire-free LED Matchstick Using a Tiny13 microcontroller

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video Fire-free LED Matchstick I just completed a new project: a fire-free and fire-safe LED matchstick. To light this matchstick you strike it against a normal matchbox filled with neodymium magnets. The LED matchstick has an inductive sensor that detects the magnetic field as you strike the matchstick against the matchbox and it lights up a LED in a

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Supplies (2)

Turn signal biking jacket using microcontroller using atmega

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This tutorial will show you how to build a jacket with turn signals that will let people know where you’re headed when you’re on your bike. We’ll use conductive thread and sewable electronics so your jacket will be soft and wearable and washable when you’re done. Enjoy! A version of this tutorial is also on my

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Xylophone

Xylophone Using Mega32

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Introduction Our final project is a programmable, self-playing xylophone with random melody generation and a pitch detection based interface.   From early mechanical devices to todays musical greeting cards, history has seen numerous examples of automated music machines. This project represents a quick, modern take on that tradition with several additional features. We designed and

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