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Раздел: Elektor

Elektor №4 2014г

Написал MACTEP 03.07.2014 13:20:00 (Просмотров: 4632)

Название: Elektor

Год: 2014

Месяц: Апрель

Номер: 4

Страниц: 92


Язык: Английский

Размер: 8.77 Mб 



Elektor - популярный зарубежный журнал по электронике и схемотехнике

electorApril 2014
•  Community

82  Elektor World
Elektor's Nearly Lost World
• Projects
8  E-Lock, the First Elektor Chip
The E-Lock chip allows you to connect your control system to the Internet and monitor and control it from anywhere without having to worry about the security of the connection, and in full assurance of protection against intruders.
16  Platino-based Experimenter's Power Supply
In this little 15-V 1-A and 3.3-V / 5-V 0.5-A PSU specially designed for the embedded developer, a Platino MCU board handles all control and regulation functions, from intelligent V/I display control to thermal shutdown.
elector24   Motion-Detector Camera Trigger using Arduino
A cheap battery-powered night light with an internal motion detector is all you need to turn an Arduino computer into a powerful triggering device for photo cameras like the Nikon D80. And some software, sure.
28  LED's Replace
That Fluorescent Tube
Some tribulations experienced by Thomas as he set out to replace a small fluorescent tube in the kitchen with a "drop in" replacement from the supermarket.
elector30   Microcontroller BootCamp (1)
Al the request of many readers we kick off a course on elementary microcontroller interfacing and programming. The platform initially is Arduino and Bascom for hardware and software respectively.
38   Current Transformer Calculations
To calculate current you normally use a shunt to turn it into a voltage and measure the latter instead. But if you wish to measure the current in isolation, then a current transformer is the thing to use. Here's how to do it.
42   Precision Adjustable DC Current Source This laboratory grade current source with digital readout was meticulously designed for accuracy, ease of use and an incredible range spanning 10 nA to 20 mA. A jewel of analog design it also doubles as a high-Z voltmeter.
54   ATmega on the Internet (2)
If you want to connect an ATmega micro to the net, don't bother to write code and design hardware: just use a Raspberry Pi and an existing LAN router and hey presto there's your network gateway.
58   Raspberry Pi Emulator
Try before you buy! With the aid of open-source processor-emulator Qemu you can emulate the Raspberry Pi on a Windows PC.
60   Elektorize Your Scope Probe One way to improve oscilloscope measurements on high-speed data signals is to ensure a proper ground connection right at the probe tip.
•   Labs
64    Big Brother Be Gone Dissatisfied with the mass of useless links normally returned by Google, Elektor Labs decided to install a different search engine: DuckDuckGo.
elector65    What's up with this cap?
Now hear this: a capacitor with two different value codes printed at either side of the device.
Unwrapping RepRap An assembly-from-the-box story on RS Components' latest 3D printer delivered to Labs.
68   DesignSpark Tips & Tricks Day #9:
Custom Outlines Continued. Let's finish that odd shaped board design so it can be fitted into a Hammond 1551N case.
elector71   Nixie Displays
Weird Components—the series.
72   News & New Products
A selection of news items received from the electronics industry, labs and organizations.
76   Retronics
Atwater Kent Model 30 Radio (1926). Gerard Fonte's story on finding and restoring one of the earliest consumer radios in the US. Series Editor: Jan Buiting.
84    Hexadoku
The Original Elektorized Sudoku.
elector85    Gerard's Columns: Production A column or two from our columnist Gerard Fonte.
90   Next Month in Elektor
A sneak preview of articles on the Elektor publication schedule.



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Не давайте детям играть с ПДУ при работающем телевизоре.
Так как, нажимая беспорядочно кнопки, можно перевести телевизор в сервисный режим и распрограммировать его микроконтроллер с ППЗУ.

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