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Elektor №4 2013г

Написал MACTEP в 10.04.2013 11:00:00 (1832 прочтений)

Elector Electronic 10 2013Название: Elektor

Год: 2013

Месяц: Апрель

Номер: 4


Язык: Английский

Размер: 5.06 Mб 



Elektor - популярный зарубежный журнал по электронике и схемотехнике



Elektor Community
8   Elektor World
     • Good marks & certified too
     • Now eat this
     • Starting out with Elektor
     • Inside the minds of our engineers

• Tech the Future
70 Virtual Money
     Developments in implementing bidirectional payment systems,

     allowing virtual and traditional currencies to flow freely back and

     forth. Series Editor: Tessel Renzenbrink.

10 Pattern Lock
     This access control system requires a personal pattern or signature

     to be 'drawn' on a surface instead of banging numbers into a keypad.

     The article also has a solid backgrounder on capacitive touch

22 500 ppm LCR Meter (2)
     This top notch project deserves a matching presentation. In this

     second instalment of the article we continue with descriptions of the

     keypad extension for standalone use, the instrument's functions, and

     control software.
32 Elektor Linux Board Extension
     This extension board was developed to further propel our Embedded

     Linux series of articles and the matching GNUblin board. It has a

     display, buttons, a real time clock and 16 GPIOs. Linux devotees,

     switch on your solder irons.
Elektor38 Arduino on Course (5)
     Using a webcam  and a few parts found in the junkbox we build a one-eyed

     guard to watch over our cookie jar. The circuit and Arduino software faithfully

     evidence any attempt to steal cookies by taking a snapshot of the culprit.
44 Universal Driver for Power LEDs
     Power LEDs are now affordable, and this project uses a specialist 1С Type TS19377 to simplify the design of a compact and efficient power LED driver.
48 Thermo Book
     Designed to fit into the back of a book cover, this circuit indicates

     temperature and relative humidity at fixed intervals. The temp/RH readout

     can also be toggled manually (literally) by clapping your hands. The sensor

     used is a Sensirion SHT15.
52 DIP Accelerometer Module
    Elektor Accelerometer ICs typically come in packages not suitable to home

     soldering. Here we solve the problem by presenting a carrier board for the

     popular MMA7455.
54 Gadgeteer
     Introducing Microsoft Gadgeteer, a rapid prototyping system comprising a

     mainboard, extension modules, and software to match.
60 Handlebar Heating
     ElektorNot satisfied with the crude systems on the market the author set out to

     design a sophisticated handlebar heater circuit with intelligent control.

     The result is suitable for motorbikes and scooters.

• Industry
66 News & New Products
     New electronics products, components and technologies.
62 Frontline Breaking News
     What's brewing, growing and being researched at Elektor Labs
64 XTAL Killer
     Leave room for the humble quartz crystal on your board.
64 What's cooking?
     Encouraging news for all builders of the 500 ppm LCR Meter project.
65 LDO replacement THT
     The pitfalls of designing a through-hole 'equivalent' of a low-drop regulator

     board originally cast in SMD.

74 Retronics:
     The Curse of the Collector
    Elektor Ah, the thrill of recognition. This month Reginald Neale showcases a fairly

     random selection of items from his electronics vintage collection. Series

     Editor: Jan Buiting.
76 Hexadoku
     Elektor's monthly puzzle with an electronics touch.
78 Gerard's Columns: Mind Altering
     A column or two from our columnist Gerard Fonte.
82 Next Month in Elektor
     A sneak preview of articles on the Elektor publication schedule.


Теги: Журнал   Elektor  
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