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Powering an Arduino Board from the Environment

by Publitek European Editors: Building an Arduino system that harvests energy from the environment provides a significant amount of freedom from wiring, but requires some close attention to the system design. Using power from the environment and wireless links frees up the board from any wiring and gives tremendous flexibility for placing the equipment ...

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A low cost Nixie Tube Power Supply

bleuchez.wordpress.com writes: I’ve recently become interested in Nixie tubes.  Nixie tubes are neon filled glass tubes that contain cathodes in various shapes, numbers being the most common, and a mesh anode.  Passing a current through the cathode causes the neon gas to ionize which makes it light up. ...

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TrH Meter: A DIY indoor thermometer plus hygrometer with adaptive brightness

This project is about building a microcontroller-based digital room thermometer plus hygrometer that displays temperature and relative humidity on 4 large (1 inch) seven segment LED displays which adjust their brightness level according to the surrounding illumination. It consists of a closed loop system that continuously assesses ambient light condition using an inexpensive light-dependent resistor (LDR) a ...

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How to build an USB real-time clock

Alexander Holler writes: [ via ] This page describes how you can use a small AVR device and a real-time clock (RTC) to build a hot-pluggable USB real-time clock (I’ve named it just usb-rtc), mainly for usage with ultra-low-cost hardware meant to be used with Linux. The overall cost for one of those thingies I’m describing here is about 15€-20€, which isn’t really cheap. ...

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More-than-Moore memory grows up

Brian Bailey writes: Moore’s Law may not be running out of steam, but it may be running out of money, as scaling to smaller geometries becomes more cost prohibitive. We also have an insatiable appetite for memory these days, but our tastes are changing from DRAM to nonvolatile memory—a market largely served by flash devices ...

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Aktakom’s APS-73xxL Series Power Supplies Named a Finalist in the Test & Measurement World’s…

Online Voting Open for Readers through December 31, 2012 Miami, Florida, December 6, 2012 – T&M Atlantic today announced that Test & Measurement World has named power supplies AKTAKOM APS-73xxL series as a finalist in the Best in Test Awards competition . The awards recognize the best in test products and test professionals. ...

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