EPE_2015-01.pdf

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“tiny tim” stereo Amplifier
– pArt 1
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•
•
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transform your tv’s audio
easy to build with common, low-cost parts
Suits 4-8Ω speakers, 8-600Ω
headphones
Very low distortion and noise
Assembling our ‘blow-your-socks-off’
portAble pA loudspeAker system
PortaPaL-D –
Part 2
sidrAdio and sdrs
using your softwAre-defined rAdio for dAb+ dmr
‘fritzing’ cAd softwAre And
rAspberry pi b+
expert product reviews
W
MIC IN A
RO
PIC
CH
DE
I
DE
ML P
VE
A
LO
PM b
KIT ENT
PluS:
Practically SPeaking, net work, readout
Pic n’ MiX, circuit Surgery, techno talk
JaN 2015 £4.40
Offer ends January 31st 2015
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Aoyue 60W digital ESD safe
soldering iron.
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Dial controls and LED indicator
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Variable temperature setting range
between 200°C - 480°C
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Supplied with soldering iron stand
Part no
SI-936A-60W
10% Off Sale Price
£39.74
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Aoyue multi-function PCB work
station with SMD hot air gun, 70W
soldering iron and fume extractor.
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A mix of digital and dial controls
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Supplied with a host of extras such
as air gun nozzles and carbon filters.
Part no
SI-968A
10% Off Sale Price
£119.21
Exclusive Sale for Everyday Practical Electronics Readers
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Aoyue CPU controlled multi-function
PCB work station, with hot air gun,
desoldering gun, 70W soldering iron
and fume extractor.
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Dual port system allows
simultaneous use of all functions
Part no
SI-2703A
10% Off Sale Price
£203.95
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Aoyue 70W desoldering gun ideal
for removing leaded components
from through hole plated PCB’s.
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Supplied with spare nozzles and
maintenance kit for the gun.
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Easy to use dial control
Part no
SI-474
10% Off Sale Price
£73.84
10% Sale on everything at www.pcb-soldering.co.uk
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For heating underside of
PCB’s whilst reworking, helping
to speed up reflow, prevent board
distortion and component stress
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Variable temperature setting.
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Quartz infrared heating
surface 140mm x 140mm.
Part no
SI-853A
10% Off Sale Price
£77.90
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Aoyue 70W soldering iron
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Digital LED display and push
buttons for easy temperature setting.
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Quick change soldering iron tips
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Audible buzzer sounds when station
reaches pre-set temperature.
Part no
SI-2900
10% Off Sale Price
£66.47
ISSN 0262 3617
ProJeCTS
Theory
neWS
CommenT
PoPUlAr feATUreS
Vol. 44. no 1
January 2015
INCORPORATING ELECTRONICS TODAY INTERNATIONAL
www.epemag.com
Projects and Circuits
“Tiny Tim” STereo AmPlifier – PArT 1
10
by Leo Simpson and Nicholas Vinen
A low-cost, high-quality audio amplifier – ideal for flat panel TVs, MP3s and more!
PortaPAl-D – PArT 2
22
by John Clarke
Assembling the battery-powered, high efficiency, class-D amplifier PA system
32
SiDrADio – more reCePTion moDeS
by Jim Rowe
Other applications, including one that lets you receive DAB+ digital radio
Series and features
TeChno TAlk
by Mark Nelson
Something old, something new…
TeACh-in 2014
UPDATe rASPberry Pi b+
by Mike Tooley and Richard Tooley
EPE’s
Pi expert takes a look at the recently introduced Raspberry Pi Model B+
neT Work
by Alan Winstanley
Torque like a Pro... On-board diagnostics... Dials and miles... Seventh heaven
PrACTiCAlly SPeAking
by Robert Penfold
Labels and overlays
WhizzkiTS eleCTroniCS bUilDer’S kiT
by Mike Tooley
Review of this brand new educational product from Spiratronics
AUDio oUT
by Jake Rothman
Test-bench amplifier – Part 2
CirCUiT SUrgery
by Ian Bell
Triacs and opto-isolators
PiC n’ miX
by Mike Hibbett
Wrapping up the Development Board ADC
mAX’S Cool beAnS
by Max The Magnificent
Mastering meters… New and old meters… Driving your meter
Resistance is futile! (or unknown)... Calibration for FSD
friTzing DeSign SofTWAre
by Mike Hibbett
Review of a powerful but easy-to-use electronics design package that’s popular
with the ‘Maker’ community
20
38
41
44
50
52
54
58
60
65
regulars and Services
SUbSCribe To
ePe
and save money
ePe
bACk iSSUeS –
Did you miss these?
eDiToriAl
Seasons greetings
neWS
– Barry Fox highlights technology’s leading edge
Plus everyday news from the world of electronics
miCroChiP reADer offer
EPE
Exclusive – Win a Microchip PICDEM Lab Development Kit
TeACh-in 5
reADoUT –
Matt Pulzer addresses general points arising
CD-romS for eleCTroniCS
A wide range of CD-ROMs for hobbyists, students and engineers
DireCT book SerViCe
A wide range of technical books available by mail order, plus more CD-ROMs
ePe
PCb SerViCe
PCBs for
EPE
projects
ADVerTiSerS inDeX
neXT monTh! –
Highlights of next month’s
EPE
4
5
7
8
21
43
48
62
68
70
71
72
© Wimborne Publishing Ltd 2014. Copyright in all
drawings, photographs and articles published in
EVERYDAY PRACTICAL ELECTRONICS
is fully
protected, and reproduction or imitations in whole or
in part are expressly forbidden.
Our February 2015 issue will be published on
Thursday 31 December 2014, see page 72 for details.
Readers’ Services • Editorial and Advertisement Departments
7
Everyday Practical Electronics, January 2015
1
Quasar Electronics Limited
PO Box 6935, Bishops Stortford
CM23 4WP, United Kingdom
Tel: 01279 467799
Fax: 01279 267799
E-mail: sales@quasarelectronics.co.uk
Web: www.quasarelectronics.co.uk
All prices INCLUDE 20.0% VAT.
Postage & Packing Options
(Up to 0.5Kg gross weight):
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Day Delivery -
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- £14.95 (up to 0.5Kg).
Order online for reduced price Postage (from just £1!)
Payment:
We accept all major credit/debit cards. Make PO’s payable to
Quasar Electronics Limited.
Please visit our online shop now for full details of over 1000 electronic
kits, projects, modules and publications. Discounts for bulk quantities.
Card
Sales Line
Solutions for Home, Education & Industry Since 1993
Ho! Ho! Ho! Christmas 2014 is on it's way but
We have some fantastic gift ideas for young (and older) enquiring minds
Electronic
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An electronics course
in a box! All assume no
previous knowledge
and require NO
solder.
See website for details
Mechanical
Motorised
Wooden Kits
Robot Sensor 20 Lab
£25.95 (Code EPLR20)
Electronic Bell Kit
£9.95 (Code EAKEB)
Future engineers can
learn about the opera-
tion of
transmissions
steered through gears
or pulleys. Easy to
build, no glue or sol-
dering required.
Festive Fun
Electronic
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Choose
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Electronic Motor Kit
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Digital Recording
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Musical LED Jingle
Bells Kit
£21.95 (Code 1176KT)
Flashing
LED
Christmas
Tree Kit
£5.16
(Code
MK100)
30 in ONE Project Lab
£22.95 (Code EPL030)
Solderless
Electronic
Projects
130 in ONE Project Lab
£55.95 (Code EPL130)
Automech Kit
£18.95 (Code C21-605)
Generator Kit
£9.95 (Code EAKEG)
Coptermech Kit
£18.95 (Code C21-604)
Room Alarm Kit
£6.95 (Code EAKRA)
AM-FM Radio Kit
£12.95 (Code
ERKAF)
300 in ONE Project Lab
£89.95 (Code EPL300)
Short Wave Kit
£2.95 (Code ERKSW)
Hand Held Metal
Detector (Assembled)
£10.95 (Code ELMDX7)
Trainmech Kit
£18.95 (Code C21-606)
Ro-
Riding Santa Kit
£14.66 (Code MK116)
bomech Kit
£18.95 (Code C21-603)
60 LED Multi-Effect LED
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£14.48 (Code MK170)
500 in ONE Project Lab
£189.95 (Code EPL500)
Crystal Radio Kit
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Metal Detector Kit
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Tyrannomech Kit
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See our website
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Secure Online Ordering Facilities ● Full Product Listing, Descriptions & Photos ● Kit Documentation & Software Downloads
Tools &
Equipment
Sound LED Star Kit
£11.50
(Code MK172)
Soldering Set
£15.95 (Code 749.939)
0-20V, 2A Regulated
Bench Power Supply
£64.95 (Code PSU673)
The Electronic Kit Specialists Since 1993
LED Roulette Kit
£14.18 (Code MK119)
These educational
electronic robot kits
make a great introduc-
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world of robotics. Some
require soldering. See
website for details
Robot Kits
Hobby Tool Set
£25.76 (Code 749.300)
Hobby Test Meter
£12.41 (Code 600.006)
Solar Energy
Experimenter Kit
£21.42 (Code EDU02)
MP3 Jukebox Module
£16.87 (Code VM202)
20 Piece Electronics
Tool Set
£38.96 (Code 710.368)
Robotic Arm Kit
£44.95 (Code C9895)
Digital Clamp Meter
£17.95 (Code DMC616)
Digital Echo
Chamber Kit
£19.72 (Code MK182)
USB Tutor Project
£54.24 (Code EDU05)
Oscilloscope Tutor
Project
£23.40 (Code EDU06)
Crawling Bug
Kit
with Case
£16.67 (Code MK165)
Rectangular Illuminated
Bench Top Magnifier
£89.99 (Code 700.018)
USB 3D LED Cube Kit
£23.95 (Code MK193)
Helping Hands Tool
£5.65 (Code 710.165)
One Chip AM Radio Kit
£18.95 (Code 3063KT)
Classic TV Tennis
Game with Analogue
Bats Kit
£21.04 (Code MK191)
Crawling Bug Kit
£13.78 (Code MK129)
48W Digital Soldering
Station
£72.62 (Code 703.050)
Universal Battery Test-
er
£5.88 (Code 690.393)
More Projects
& Gadgets
Running Microbot
Kit
£10.55 (Code MK127)
Stereo Valve Amplifier
Kit (Chrome Version)
£911.94 (Code K4040)
3 x 5 Amp RGB LED
Controller (+RS232) Kit
£29.95 (Code 8191KT)
Solar Bug Kit
£9.47 (Code MK185)
Advanced Personal
Scope, 2 x 240MS/s -
Probes, Cables, Battery
Pack, PSU & User
Manual Included
£274.95 (Code APS230)
Soldering Starter Pack
(inc. 2 electronic kits &
soldering tools)
£26.32 (Code EDU03)
Pocket Beta & Gamma
Radioactivity Monitor
£149.95 (Code VM200)
This is a small
selection from
our huge range
of electronic
kits & projects.
Please see web-
site for full de-
tails.
Secure Online Ordering Facilities ● Full Product Listing, Descriptions & Photos ● Kit Documentation & Software Downloads

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