Elektor_2008-03.pdf

www.elektor.com MARCH 2008 AUS$ 12.90 - NZ$ 15.50 - SAR 84.95 - US$ 9.95 £ 9.90

electronics worldwide

Data Logger

Have memory,

Software builds

hardware

C-2-H, compilers & FPGAs

✓

Projects – I 2 C Spy, Cylon Voice, Pimped Shoes, PLC, LED Projector

R13

✓

Organic Electronics – in all shapes and sizes!

Embedded – Linux, Open Source, RTOS, ARM

SD Card

will log 4 u

✓

Electronics Enthusiasts

New Jaycar Kits

•ORDER ON-LINE

•ALL PRICING IN

POUND STERLING

•MINIMUM ORDER

ONLY £10

Fast Ni-MH Battery Charger Kit

KC-5453 £11.75 + postage & packing

A truly versatile

charger, capable of

handling up to 15 of

the same type

of Ni-MH or

Ni-Cd cells.

Build it to suit

any size cells or

cell capacity and set your

own fast or trickle charge rate. It also has

overcharge protection including temperature sensing. Ideal

for R/C enthusiasts who burn through a lot of batteries. Kit

includes PCB and all specified electronic components.

Case, heatsink & battery holder not included.

PIR Controlled Mains

Power Switch

KC-5455 £23.25 +

postage & packing

You’ve seen those lights

fitted with PIR detectors

that turn on when someone

approaches. Well now you can

do the same thing with just

about any mains-powered device you like including security

systems, decorative lighting, fountain pumps or even

commercial advertising etc. The system uses a standard PIR

to safely turn on 240VAC mains device(s) for an adjustable

pre-set period. Kit supplied with case, screen printed PCB,

and all electronic components.

Handy Tools

Digital Multimeter Kit

KG-9250 £6.00 + postage & packing

Learn everything there is to know about component

recognition and basic electronics with this comprehensive

kit. From test leads to solder, everything you need for the

construction of this meter is included. All you'll need is a

soldering iron!

• Meter dimensions: 67(W) x 123(H) x

25(D)mm

Remote Controlled Mains Switch

KC-5462 £29.00 + postage & packing

Commercial remote control mains

switches are available but these are

generally limited to a range of less

than 20m. This UHF system will

operate up to 200m and is perfect for

remote power control systems etc.

The switch can be activated using

the included hand held controller or

our KC-5461 water tank level sensor

base station. Kit supplied with case,

screen printed PCB, RF modules and

all electronic components.

12V Emergency Lighting Controller

KC-5456 £20.50 + postage & packing

This easy-to-build project is

designed to automatically

supply power for 12V

emergency lighting during a

blackout. The system has

provision for its own 7.5Ah SLA

battery, which is maintained via

an external smart charger. The

system includes a manual

override switch & automatic protection to prevent

over-discharge of the battery. Kit supplied with all

electronic components, screen printed PCB, front panel

and case. Charger and SLA battery available separately.

PIC Logic Probe Kit

KC-5457 £4.50 + postage & packing

Most logic probes are designed to operate on the 5V rails

that have been around in logic circuits for years.

This design operates on a wide voltage range down to

2.8V so it's suitable for use on the most modern circuits.

It's also extremely compact with SMT devices on a PCB

only 5mm wide, so it will fit inside a very slim case. It's

capable of picking up a pulse only 50mS long and will

also detect and hold infrequent pulses when in latch

mode. Kit includes PCB and all specified

electronic components including

pre-programmed PIC. You'll

need to add your own case

and probe - a clear

ballpoint

pen.

Clockwatchers' Clock Kit - It's Hypnotic

It consists of an AVR driven clock circuit that drives an 8 segment 12 or 24H display. The

segments are 48mm high and consist of 3mm high brightness - but diffuse - LEDs.

Additionally, around the PCB diameter are 3mm high brightness LEDs on a 60 second

circle (every 5 seconds is a 5mm LED). When the clock is running the "seconds" are kept

by a chase-LED running anti-clockwise from 12 noon back to the relevant "seconds"

position. It takes exactly one second and this position remains illuminated. When the

entire face has filled up one minute has elapsed, the digital clock

increments by one and the whole process starts again. Trust us,

the visual effect is mesmerising!! The kit comprises of 188mm

diameter double sided plated-thru PCB with overlay and all

board components. A special clock housing is included.

Two versions:

• With red LEDs KC-5404 £41.75 + postage & packing

• With blue LEDs KC-5416 £55.25 + postage & packing

Blue Version:

Cat. KC-5416

Red Version:

Cat. KC-5404

CAT III Autoranging Pocket DMM

Build-It-Yourself

Electronic Project Kits

Post and Packing Charges

Order Value Cost

£10 - £49.99 £5

£50 - £99.99 £10

£100 - £199.99 £20

Order Value Cost

£200 - £499.99 £30

£500+

QM-1542 £14.00 + postage &

packing

An advanced pocket sized DMM

that is suitable for serious work. It

features detachable leads,

capacitance and frequency ranges

as well as a CATIII 1000V rating

and non-contact voltage detection.

• AC & DC voltage: 600V

• AC & DC current: 200mA

• Resistance: 40 MOhms

• Capacitance: 100μF

• Frequency: 100kHz

• Diode test

• Dimensions: 120(L) x 55(W) x

40(D)mm

Checkout Jaycar’s extensive range. We have

kits & electronic projects for use in:

• Audio & Video

• Car & Automotive

• Computer

• Learning & Educational

• Lighting

• Power

• Test & Meters

• General Electronics Projects

- just for fun!

£40

Max weight 12lb (5kg). Heavier parcels POA.

Minimum order £10.

Note: Products are despatched from Australia, so local

customs duty and taxes may apply.

How to order:

Phone: Call Australian Eastern Standard Time Mon-Fri

on 0800 032 7241. Fax: +61 28832 3119

Email: techstore@jaycarelectronics.co.uk

Post: 320 Victoria Rd, Rydalmere NSW 2116 Australia

Expect 10-14 days for air parcel delivery

430+ pages

ALL prices in PDS

Check out the Jaycar range in your FREE Catalogue - logon to

www.jaycarelectronics.co.uk/elektor

or check out the range at

www.jaycarelectronics.co.uk

0800 032 7241

(Monday - Friday 09.00 to 17.30 GMT + 10 hours only)

For those who want to write: 320 Victoria Rd,

Rydalmere NSW 2116 AUSTRALIA

Great Kits for

PC Oscilloscopes & Analyzers

DSO Test Instrument Software for BitScope Mixed Signal Oscilloscopes

4 Channel BitScope

2 Channel BitScope

Pocket Analyzer

Digital Storage Oscilloscope

Up to 4 analog channels using industry standard

probes or POD connected analog inputs.

BitScope DSO Software for Windows and Linux

�

BitScope DSO is fast and intuitive multi-channel test and measurement software for your

PC or notebook. Whether it's a digital scope, spectrum analyzer, mixed signal scope,

logic analyzer, waveform generator or data recorder, BitScope DSO supports them all.

Capture deep buffer one-shots or display waveforms live just like an analog scope.

Comprehensive test instrument integration means you can view the same data in

different ways simultaneously at the click of a button.

DSO may even be used stand-alone to share data with colleagues, students or

customers. Waveforms may be exported as portable image files or live captures replayed

on other PCs as if a BitScope was locally connected.

BitScope DSO supports all current BitScope models, auto-configures when it connects

and can manage multiple BitScopes concurrently. No manual setup is normally required.

Data export is available for use with third party software tools and BitScope's networked

data acquisition capabilities are fully supported.

Mixed Signal Oscilloscope

Capture and display up to 4 analog and 8 logic

channels with sophisticated cross-triggers.

Spectrum Analyzer

Integrated real-time spectrum analyzer for each

analog channel with concurrent waveform display.

Logic Analyzer

8 logic, External Trigger and special purpose

inputs to capture digital signals down to 25nS.

� Networking

Flexible network connectivity supporting

multi-scope operation, remote monitoring and

data acquisition.

� Data Export

Export data with DSO using portable CSV files or

use libraries to build custom BitScope solutions.

�

www.bitscope.com

3/2008 - elektor

�

Data Recorder

Record anything DSO can capture. Supports

live data replay and display export.

CU at

Embedded 2008

If you look at the contents of Elektor

over the past few years then it’s

conspicuous that our March issues are

crammed with articles on microcon-

trollers, or ‘embedded systems’ to use

the trendy expression.

In March 2006, the Elektor FPGA

system was prominently featured

on the front cover; in 2007, our

AVR/USB development board. Both

fared extremely well. Two years ago

our articles on FPGAs, consisting of a

course and a hardware platform, irst

required convincing our international

editor of the sheer potential of these

devices and the fact that none of our

competitors had the wherewithal to

even mention FPGA technology to

“enthusiasts”. A hard struggle it was

for Elektor designer Paul Goossens,

as his articles were expected to “cap-

ture only a small audience of very

advanced enthusiast with industrial

connections here and there”. Wrong,

and happy to say so! To everyone’s

amazement the Elektor FPGA develop-

ment board and the associated FPGA

module sold in the hundreds and

in its wake created an enthusiastic

community. The community members,

I am always amazed to observe,

are too modest about the results they

get from our articles and kits and I

would politely urge them to write just

the odd line of text on their project

so we can consider publishing it. For

example, I heard of readers having

cast vintage microprocessors like the

6502 and Z80 into the Elektor FPGA

and cheerfully run emulations at

speeds unheard of when the ‘real DIP

things’ were available some 25 years

ago. Ditto for old arcade-style games

like Donkey Kong and Pacman.

The reason for focusing on microcon-

trollers in the March issue is simple

and goes by the name of Embedded

World, Nuremburg, Germany. This

year the show is held on 26, 27 and

28 February. At Embedded World,

trends in microcontroller land are

deined, discovered, vapourised

and talked about in two languages

mainly: English and German. What

better opportunity for Europe’s largest

magazine on electronics to present

itself (in a modest way) and arrange

meetings with industry leaders and

their representatives (preferably well

Elektorised) to see how we can work

together on projects that make a dif-

ference?

26 Elektor has a long history when it comes to publishing

data acquisition systems and loggers. The data logger

we are proposing here is unique due to its simplicity

and compact size; a microcontroller and a handful of

common components are all it takes for hardware.

Datalogger

“deLuxe”

32 The Secrets of I 2 C

The I 2 C bus analyser described in this ar-

ticle connects to the I 2 C bus of an appli-

cation, extracting its start, stop, address,

data and acknowledge signals for the

purpose of examination. It can be used

to troubleshoot a reluctant proprietary

circuit or to ‘reverse engineer’ existing

applications.

44 Real-Time Computing

By using a Real Time

Operating System (RTOS)

the structure of the software

and the timing characteris-

tics of the microcontroller

can be signiicantly improved.

Here we describe the operation

and speciic characteristics of

such an RTOS.

cordially inviting to Booth 10-213,

Jan Buiting

Editor

Datalogger

“deLuxe”

CONTENTS

Volume 34

March 2008

no. 375

projects

26 Data Logger “deLuxe”

32 The Secrets of I 2 C

40 Cylon Voice

44 Real-Time Computing

54 ‘LAOS’ for ARMee

58 DIY LED Projector

64 ECIO PLC

70 Pimp your Shoes

75 Design Tips:

XOR frequency multiplier

Swap button cell for a Goldcap

technology

48 From C to Hardware

22 Plastics Replace Silicon

48 From C to Hardware

Despite technological trends most new equip-

ment does not take advantage of the capa-

bilities of FPGAs. The main reason for this is

that there are still relatively few FPGA experts.

The latest developments in the EDA area can

largely eliminate this obstacle.

info & market

6 Colophon

8 Mailbox

10 News & New Products

14 Get Stuck into

Embedded Linux

18 Ethernut and

the Kipp Family

69 Elektor Volume 2007

CD-ROM

72 Atmel AVR32 Gateway

80 Elektor SHOP

84 Sneak Preview

64 ECIO PLC

infotainment

A low-cost ECIO module acts as the brains of a PLC board that has relays, opto-

isolators, CAN (!) connectivity and an LCD. All this I/O capacity together with

Flowcode allows the board to act as a versatile, powerful PLC for quite complex

control and automation projects.

74 Hexadoku

76 Retronics: The ‘Dekatron’

decimal counter valve

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika: