EPE_2015-03.pdf

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10a/230v speed Controller

•

designed for universal motors

super smooth over full speed range

Over-current limiting and soft start

Fuse protection

neW

Serie

Teach-In 2015 –

part 2

•

understand discrete linear circuit design

•

learn with ‘tina’ – modern Cad software

• Design simple, but elegant circuits

MIC IN A

3D RO

uC HIP

stereo echo & reverb unit –

adjustable eCho

or reverberation for reCording or pa systems

“Tiny Tim”

STereo Amplifier –

pArT 3

Completing and testing your

super CompaCt amp

pluS:

CirCuit Surgery, Net work, praCtiCally SpeakiNg,

piC N’ MiX, teChNo talk & audio out

mArCH 2015 £4.40

ISSN 0262 3617



ProJeCtS



theory



neWS



Comment



PoPular FeatureS



Vol. 44. no 3

march 2015

INCORPORATING ELECTRONICS TODAY INTERNATIONAL

www.epemag.com

Projects and Circuits

SuPer Smooth, Full-range, 10a/230V SPeed Controller

For uniVerSal motorS

by John Clarke

Build this exceptional microcontroller for extremely smooth control of any appliance

with brushed universal motors, rated up to 10A

Stereo eCho & reVerb unit

by Nicholas Vinen

Based on our Stereo Audio Delay, this modified unit provides adjustable echo or

reverberation for recording or PA systems

“tiny tim” Stereo amPliFier – Part 3

by Nicholas Vinen

Finishing and testing our superb, compact amp

Series and Features

teChno talk

by Mark Nelson

March medley of magical LEDs

teaCh-in 2015 – diSCrete linear CirCuit deSign

by Mike and Richard Tooley

Part 2: Testing and measurements

net Work

by Alan Winstanley

Lifting the lid of your network... Monitoring behind the scenes activity

Command and control... A book in all of us... Up the Amazon

PraCtiCally SPeaking

by Robert Penfold

Colour codes

audio out

by Jake Rothman

Test-bench Amplifier debate

CirCuit Surgery

by Ian Bell

Constant current sources

PiC n’ miX

by Mike Hibbett

Hardware hackathons

maX’S Cool beanS

by Max The Magnificent

Mastering meters – Part 3… A more sophisticated circuit

Using the Series Resistance Test Unit

regulars and Services

SubSCribe to

ePe

and save money

editorial

What’s in store for 2015?

Teach-In 2015

Discrete Linear Circuit Design

Part 2 : Testing and measurements

drawings, photographs and articles published in

EVERYDAY PRACTICAL ELECTRONICS

is fully

protected, and reproduction or imitations in whole or

in part are expressly forbidden.

neWS

– Barry Fox highlights technology’s leading edge

Plus everyday news from the world of electronics

Cd-romS For eleCtroniCS

A wide range of CD-ROMs for hobbyists, students and engineers

miCroChiP reader oFFer

EPE

Exclusive – Win a Microchip 3DTouchPad

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

Our April 2015 issue will be published on

Thursday 5 March 2015, see page 72 for details.

Readers’ Services • Editorial and Advertisement Departments

Everyday Practical Electronics, March 2015

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):

UK Standard 3-7 Day

Delivery -

£3.95;

UK Mainland Next Day Delivery -

£8.95;

Europe (EU) -

£12.95;

Rest of World

- £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

PIC & ATMEL Programmers

We have a wide range of low cost PIC and

ATMEL Programmers. Complete range and

documentation available from our web site.

Programmer Accessories:

40-pin Wide ZIF socket (ZIF40W) £9.95

18Vdc Power supply (661.121) £25.95

Leads: Parallel (LDC136) £3.95 / Serial

(LDC441) £3.95 / USB (LDC644) £2.95

USB & Serial Port PIC Programmer

USB or Serial connection.

Header cable for ICSP.

Free Windows software.

See website for PICs sup-

ported. ZIF Socket & USB

lead extra. 16-18Vdc.

Kit Order Code: 3149EKT - £49.95

Assembled Order Code: AS3149E - £64.95

Assembled with ZIF socket Order Code:

AS3149EZIF - £74.95

USB PIC Programmer and Tutor Board

This tutorial project

board is all you need

to take your first steps

into Microchip PIC

programming using a

PIC16F882 (included). Later you can use it

for more advanced programming. It programs

all the devices a Microchip PICKIT2

can!

You can use the free Microchip tools for the

PICKit2

™

and the MPLAB

IDE environment.

Order Code: EDU10 -

£55.96

ATMEL 89xxxx Programmer

Uses serial port and any

standard terminal comms

program. 4 LED’s display

the status. ZIF sockets

not included. 16Vdc.

Kit Order Code: 3123KT -

£28.95

Assembled Order Code: AS3123 -

£39.95

Introduction to PIC Programming

Go from complete beginner

to burning a PIC and writing

code in no time! Includes 49

page step-by-step PDF

Tutorial Manual + Program-

ming Hardware (with LED

test section) + Windows Software (Program,

Read, Verify & Erase) + a rewritable

PIC16F84A. 4 detailed examples provided for

you to learn from. PC parallel port. 12Vdc.

Kit Order Code: 3081KT -

£16.95

Assembled Order Code: AS3081 -

£24.95

PIC Programmer

Board

Low cost PIC program-

mer board supporting

a wide range of Micro-

chip

PIC

™

microcon-

trollers. Serial port. Free Windows software.

Kit Order Code: K8076 -

£29.94

PIC Programmer & Experimenter Board

PIC Programmer & Experi-

menter Board with test

buttons and LED indicators

to carry out educational

experiments such as the

supplied programming examples. Includes a

16F627 Flash Microcontroller that can be

reprogrammed up to 1000 times. Software to

compile and program your source code is

included. Supply: 12-15Vdc.

Kit Order Code: K8048 -

£23.94

Assembled Order Code: VM111 -

£39.12

4-Ch DTMF Telephone Relay Switcher

Call your phone num-

ber using a DTMF

phone from anywhere

in the world and re-

motely turn on/off any

of the 4 relays as de-

sired. User settable Security Password, Anti-

Tamper,

Rings

to Answer, Auto Hang-up and

Lockout. Includes plastic case. 130 x 110 x

30mm. Power: 12Vdc.

Kit Order Code: 3140KT -

£79.95

Assembled Order Code: AS3140 -

£94.95

8-Ch Serial Port Isolated I/O Relay Module

Computer controlled 8

channel relay board. 5A

mains rated relay outputs

and 4 opto-isolated digital

inputs (for monitoring

switch states, etc). Useful

in a variety of control and

sensing applications. Programmed via serial

port (use our new Windows interface, termi-

nal emulator or batch files). Serial cable can

be up to 35m long. Includes plastic case

130x100x30mm. Power: 12Vdc/500mA.

Kit Order Code: 3108KT -

£74.95

Assembled Order Code: AS3108 -

£89.95

Infrared RC 12–Channel Relay Board

Control 12 onboard relays with

included infrared remote con-

trol unit. Toggle or momentary.

15m+ range. 112 x 122mm.

Supply: 12Vdc/0.5A

Kit Order Code: 3142KT -

£64.95

Assembled Order Code: AS3142 -

£74.95

Audio DTMF Decoder and Display

Detect DTMF tones from

tape recorders, receivers,

two-way radios, etc using

the built-in mic

direct

from the phone line. Char-

acters are displayed on a

16 character display as they are received and

up to 32 numbers can be displayed by scroll-

ing the display. All data written to the LCD is

also sent to a serial output for connection to a

computer. Supply: 9-12V DC (Order Code

PSU375). Main PCB: 55x95mm.

Kit Order Code: 3153KT -

£37.95

Assembled Order Code: AS3153 -

£49.95

3x5Amp RGB LED Controller with RS232

3 independent high power

channels. Preprogrammed

or user-editable light se-

quences. Standalone op-

tion and 2-wire serial inter-

face for microcontroller or

PC communication with simple command set.

Suitable for common anode RGB LED strips,

LEDs and incandescent bulbs. 56 x 39 x

20mm. 12A total max. Supply: 12Vdc.

Kit Order Code: 8191KT - £29.95

Assembled Order Code: AS8191 - £39.95

Controllers & Loggers

Here are just a few of the controller and

data acquisition and control units we have.

See website for full details. 12Vdc PSU for

all units: Order Code 660.446UK £11.52

USB Experiment

Interface Board

5 digital input chan-

nels and 8 digital out-

put channels plus two

analogue inputs and

two analogue outputs with 8 bit resolution.

Kit Order Code: K8055N -

£25.19

Assembled Order Code: VM110N -

£40.20

2-Channel High Current UHF RC Set

State-of-the-art high securi-

ty. 2 channel. Momentary or

latching relay output rated to

switch up to 240Vac @ 10

Amps. Range up to 40m. Up

to 15 Tx’s can be learnt by

one Rx (kit includes one Tx

but more available separately). 3 indicator

LEDs. Rx: PCB 88x60mm, supply 9-15Vdc.

Kit Order Code: 8157KT -

£49.95

Assembled Order Code: AS8157 -

£54.95

Computer Temperature Data Logger

Serial port 4-channel tem-

perature logger. °C or °F.

Continuously logs up to 4

separate sensors located

200m+ from board. Wide

range of free software applications for stor-

ing/using data. PCB just 45x45mm. Powered

by PC. Includes one DS1820 sensor.

Kit Order Code: 3145KT -

£19.95

Assembled Order Code: AS3145 -

£26.95

Additional DS1820 Sensors -

£4.95 each

Remote Control Via GSM Mo-

bile Phone

Place next to a mobile phone (not

included). Allows toggle or auto-

timer control of 3A mains rated

output relay from any location

Most items are available in kit form (KT suffix)

or pre-assembled and ready for use (AS prefix).

Here are a few of the most recent products

added to our range. See website or join our

email Newsletter for all the latest news.

4-Channel Serial Port Temperature

Monitor & Controller Relay Board

4 channel computer

serial port tempera-

ture monitor and

relay controller.

Four inputs for

Dallas DS18S20 or

DS18B20 digital

thermometer sensors (£3.95 each). Four

5A rated relay outputs are independent of

sensor channels allowing flexibility to setup

the linkage in any way you choose. Simple

text string commands for reading tempera-

ture and relay control via RS232 using a

comms program like Windows HyperTermi-

nal or our free Windows application.

Kit Order Code: 3190KT -

£84.95

Assembled Order Code: AS3190 -

£99.95

40 Second Message Recorder

Feature packed non-

volatile 40 second mul-

ti-message sound re-

corder module using a

high quality Winbond

sound recorder IC.

Standalone operation using just six

onboard buttons or use onboard SPI inter-

face. Record using built-in microphone or

external line in. 8-24Vdc powered. Change

a resistor for different recording dura-

tion/sound quality. Sampling frequency 4-

12 kHz. (120 second version also available)

Kit Order Code: 3188KT -

£29.95

Assembled Order Code: AS3188 -

£37.95

Bipolar Stepper Motor Chopper Driver

Get better performance from your stepper

motors with this dual full

bridge motor driver based

on SGS Thompson chips

L297 & L298. Motor cur-

rent for each phase set

using on-board potentiom-

eter. Rated to handle

motor winding currents up to 2 Amps per

phase. Operates on 9-36Vdc supply volt-

age. Provides all basic motor controls in-

cluding full or half stepping of bipolar step-

pers and direction control. Allows multiple

driver synchronisation. Perfect for desktop

CNC applications.

Kit Order Code: 3187KT -

£39.95

Assembled Order Code: AS3187 -

£49.95

Video Signal Cleaner

Digitally cleans the video

signal and removes un-

wanted distortion in video

signal. In addition it stabi-

lises picture quality and

luminance fluctuations.

You will also benefit from

improved picture quality on LCD monitors

or projectors.

Kit Order Code: K8036 -

£24.70

Assembled Order Code: VM106 -

£36.53

Hot New Products!

Motor Speed Controllers

Here are just a few of our controller and

driver modules for AC, DC, Unipolar/Bipolar

stepper motors and servo motors. See

website for full details.

DC Motor Speed Controller (100V/7.5A)

Control the speed of

almost any common DC

motor rated up to

100V/7.5A. Pulse width

modulation output for

maximum motor torque

at all speeds. Supply: 5-15Vdc. Box supplied.

Dimensions (mm): 60Wx100Lx60H.

Kit Order Code: 3067KT -

£19.95

Assembled Order Code: AS3067 -

£27.95

Bidirectional DC Motor Speed Controller

Control the speed of

most common DC

motors (rated up to

32Vdc/10A) in both the

forward and reverse

direction. The range of

control is from fully OFF to fully ON in both

directions. The direction and speed are con-

trolled using a single potentiometer. Screw

terminal block for connections.

Kit Order Code: 3166v2KT -

£23.95

Assembled Order Code: AS3166v2 -

£33.95

Computer Controlled / Standalone Unipo-

lar Stepper Motor Driver

Drives any 5-35Vdc 5, 6

or 8-lead unipolar stepper

motor rated up to 6 Amps.

Provides speed and direc-

tion control. Operates in stand-alone or PC-

controlled mode for CNC use. Connect up to

six 3179 driver boards to a single parallel

port. Board supply: 9Vdc. PCB: 80x50mm.

Kit Order Code: 3179KT -

£17.95

Assembled Order Code: AS3179 -

£24.95

Computer Controlled Bi-Polar Stepper

Motor Driver

Drive any 5-50Vdc, 5 Amp

bi-polar stepper motor using

externally supplied 5V lev-

els for STEP and DIREC-

TION control. Opto-isolated

inputs make it ideal for CNC applications

using a PC running suitable software. Board

supply: 8-30Vdc. PCB: 75x85mm.

Kit Order Code: 3158KT -

£24.95

Assembled Order Code: AS3158 -

£34.95

AC Motor Speed Controller (600W)

Reliable and simple to

install project that allows

you to adjust the speed of

an electric drill or 230V AC

single phase induction

motor rated up to 600

Watts. Simply turn the potentiometer to adjust

the motors RPM. PCB: 48x65mm. Not suita-

ble for use with brushless AC motors.

Kit Order Code: 1074KT -

£15.95

Assembled Order Code: AS1074 -

£23.95

The Electronic Kit Specialists Since 1993

Electronic Project Labs

Great introduction to the world of electron-

ics. Ideal gift for budding electronics expert!

130-in-1 Electronic Project Lab

Get started on the

road to a great

hobby or career in

electronics. Con-

tains all the parts

and instructions to

assemble 130 educational and fun experi-

ments and circuits. Build a radio, AM broad-

cast station, electronic organ, kitchen timer,

logic circuits and more. Built-in speaker, 7-

segment LED display, two integrated circuits

and rotary controls. Manual has individual

circuit explanations, schematic and connec-

tion diagrams. Requires 6 x AA batteries (not

included). Suitable for age 14+.

Order Code EPL500 -

£49.95

Also available:

30-in-1

£22.95,

50-in-1

£29.95,

75-in-1

£39.95

See website for full details.

We stock an extensive range of soldering

tools, test equipment, power supplies,

inverters & much more - please visit web-

site to see our full range of products.

Advanced Personal Scope 2 x 240MS/s

Features 2 input chan-

nels - high contrast LCD

with white backlight - full

auto set-up for volt/div

and time/div - recorder

roll mode, up to 170h per

screen - trigger mode:

run - normal - once - roll ... - adjustable trig-

ger level and slope and much more.

Order Code: APS230 -

£374.95

£274.96

Handheld Personal Scope with USB

tronics enthusiasts! Powerful,

compact and USB connectivity,

this sums up the features of this

oscilloscope.

40 MHz sampling rate, 12 MHz

analog bandwith, 0.1 mV sensitivity, 5mV to

20V/div in 12 steps, 50ns to 1 hour/div time

base in 34 steps, ultra fast full auto set up

option, adjustable trigger level, X and Y posi-

tion signal shift, DVM readout and more...

Order Code: HPS50 -

£289.96

£204.00

Tools & Test Equipment

See website for lots more DC, AC

and stepper motor drivers!

See website for more super deals!

Secure Online Ordering Facilities ● Full Product Listing, Descriptions & Photos ● Kit Documentation & Software Downloads

Plik z chomika:

TirNaNog

Inne pliki z tego folderu:

Everyday Practical Electronics 2015-01.pdf (44523 KB)
Everyday Practical Electronics 2015-02.pdf (27560 KB)
Everyday Practical Electronics 2015-03.pdf (28609 KB)
Everyday Practical Electronics 2015-05.pdf (31035 KB)
Everyday Practical Electronics 2015-08.pdf (28587 KB)

EPE_2015-03.pdf

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