| | VOLUME 19 No. 1 JANUARY 1983
CONSTRUCTIONAL PROJECTS
MICROCONTROLLER Part 3 by M. Tooley BA andD. Whitfield MA, MSc .. .. 20
Programming the PIA's and sample programming
DIGITAL TACHOMETER .. .. .. .. .. .. 28
Car engine rev's to a resolution of ten
FROSTWARNING , . .. .. .. .. 36
Provides warning indication of abnormal engine temperatures
AUDIO BOOSTER by M. Tooley BA and D. WhittleldMA, MSc .. .. .. .. .. 39
20W add on for your ICE
MICROGRASP Part 2 by Richard Becker 44
Final assembly with testing and calibration procedures
ULTIMUM Part 3 .. .. .. .. .. .. .. .. 52
The complete interface system described
GENERAL FEATURES
SEMICONDUCTOR UPDATE byR. W. Coles .. .. .. .. .. 57
Featuring the 8001, DG221
INGENUITY UNLIMITED .. .. .. .. .. .. .. .. .. 62
Steam train "chuffer"-High gain, high frequency amplifiers-Telephone "bell"
NEWS AND COMMENT
EDITORIAL .. .. .. .. .. .. .. .. .. 15
NEWS AND MARKET PLACE 16
Including Countdown
BAZAAR , . .. .. .. .. .. .. .. .. 34, 38, 64 Free readers' advertisements
INDUSTRY NOTEBOOK byNexus 43
News and views on the electronics industry
SPACEWATCH by Frank W. Hyde .. .. .. .. .. .. 51
Extra-terrestrial activities chronicled
SPECIAL OFFER-CASSETTES .. .. .. .. .. .. 60
Bargain offer on high quality cassettes
SPECIAL OFFER-LOGIC PROBE .. .. .. .. .. .. .. .. 65
SPECIAL SUPPLEMENT
MICRO-FILE by R. W. Coles .. .. .. .. .. .. between pages 38 and 39
Filesheet 3 Z80
FRONT COVER: We would like to thank ACM Ltd. of Poole and Mr R. C. Cradock for the use of the Bonito car shown on the front cover,
OUR FEBRUARY ISSUE WILL BE ON SALE FRIDAY, JANUARY 14th, 1983 (for details of contents see page 3/6 of Micro-file)
VOLUME 19 No. 2 FEBRUARY 1983
CONSTRUCTIONAL PROJECTS
BATTERY TO MAINS INVERTER by M. Tooley BA and D, Whitffeld MA, MSc .. .. 22
Standby mains supply for your house or garage
TWILIGHT WARNING .. .. .. .. 40
Provides audio/visual indication with reducing light level
RADIO BOOSTER by M. Tooley BA and D. Whiffield MA, MSc .. 46
Simple add-on that improves car radio reception
ULTIMUM Part 4 .. .. .. .. .. .. .. 56
EPROM programmer card
GENERAL FEATURES
INTO THE REAL WORLD Part 1 by M. Tooley BA and D. Whitfield MA,MSc .. .. 30
Introduction to interfacing microprocessors
SEMICONDUCTOR UPDATE by A. W. Coles .. .. .. 38
Featuring the Am7910, LCSO2, Micro/J 11
PROGRAMMABLE UNIJUNCTION TRANSISTORS by P. Gatehouse .. .. .. 50
A few PUTs are a useful investment
INGENUITY UNLIMITED .. .. .. .. .. .. 54
Short-cut to short-detection-Cassette tape timer-Low cost multiple bargraph driver
MICROPROMPT .. .. .. .. .. .. .. .. 64
Hardware and software ideas for PE computer projects
NEWS AND COMMENT
EDITORIAL .. .. .. .. .. .. .. .. .. .. 11
NEWS AND MARKET PLACE 18
Including Points Arising and Countdown
SPACEWATCH by Frank W. Hyde .. .. .. .. .. .. .. .. 27
Extra-terrestrial activities chronicled
ELECTRONIC HOBBIES FAIR REVIEW .. .. .. .. .. .. .. 28
Off to a good start
BAZAAR .. .. .. .. . .. .. .. 36, 48, 52
Free readers' advertisement
INDUSTRY NOTEBOOK by Nexus .. .. .. .. .. .. .. .. 39
News and views on the electronics industry
PATENTS REVIEW .. .. .. . .. .. .. .. .. .. 42
Noise removal and a headphone warning system
SPECIAL OFFER-MULTIMETERS .. .. .. .. .. .. .. 45
PE MICROCONTROLLER: DATA SHEET 1 by M. Tooley BA and D. Whitfield MA, MSc .. 49
SPECIAL OFFER-CASSETTES .. .. .. .. .. .. .. .. 60
STRICTLY INSTRUMENTAL by K. Lenton-Smith .. .. .. .. .. .. 63
Konosuke Matsushita and the SX-U9OP SPECIAL SUPPLEMENT
MICRO-FILE by R W. Coles .. .. .. .. .. between pages 38 and 39
Filesheet 4 6502
FRONT COVER: The green Phoenix connectors used on the front cover were kindly loaned by ERMA Ltd
OUR MARCH ISSUE WILL BE ON SALE FRIDAY, FEBRUARY 11th, 1983. For details of contents see page 4/6 of Micro-file)
VOLUME 19 No. 3 MARCH 1983
CONSTRUCTIONAL PROJECTS
ICE WARNING AND LIGHTS REMINDER by P. J. McFarlane .. .. .. 22
Get out of tight corners alive
43 DIGIT FREQUENCY METER by Stephen Ibbs .. .. .. .. .. .. 28
An audio range frequency meter for measuring 0-20kHz
CASE ALARM by R. A. Penfold .. .. 36
Part of Circuit Layout Simplified
CAR ACCESSORY PSU by M. Tooley BA and D. Whittleld MA MSc .. .. .. .. 46
Provides a negative earth supply of 45,6,75 or 9V
ULTIMUM PART 5 by William Edwards 58
ROM Emulator for system development
GENERAL FEATURES
SEMICONDUCTOR UPDATE by R. W. Coles .. .. .. .. .. .. .. 32
Featuring the MAA 2000, 7114, BU215
NOT SUCH A RUMB DOBOT by L. N. Owen B.Sc .. .. .. .. .. .. 39
Looking at 2nd generation robot technology
INTO THE REAL WORLD PART 2 by M. Tooley BA and D. Whitfield MA MSc .. .. .. 50
Digital to Analogue interfacing
INGENUITY UNLIMITED .. .. .. .. .. .. .. .. .. 61
Wine heater thermostat-Intruder alarm-Counter circuit-IlL logic probe-Windscreen wiper control-Touch switched speaker muting-Electronic cruise control
MICROBUS by D.J.D. .. .. .. .. .. .. .. .. 66
A bi-monthly focus on micros for the home constructor
NEWS AND COMMENT
EDITORIAL .. .. .. .. .. .. .. .. .. 17
NEWS AND MARKET PLACE 18
Including Points Arising and Countdown
SPACEWATCH by Frank W. Hyde .. .. .. .. .. .. .. 21
Extra-terrestrial activities chronicled
PE MICROCONTROLLER: DATA SHEET 2 by M. Tooley BA andD. Whitfield MA MSc .. 27
INDUSTRY NOTEBOOK by Nexus 35
News and views on the electronics industry
CIRCUIT LAYOUT SIMPLIFIED 36
Featuring a project designed using the GSC Scratch Pad
PATENTS REVIEW .. .. .. .. .. .. .. .. .. 45
Loudspeaker diaphragm-Pseudo stereo
BAZAAR .. .. .. .. .. .. .. .. .. 48,56
Free readers' advertisements
SPECIAL OFFER-CASSETTES .. .. .. .. .. .. .. .. 68
SPECIAL SUPPLEMENT
MICRO-FILE by H. W. Coles .. .. .. .. .. .. between pages 38 and 39
Filesheet 5 1802
OUR APRIL ISSUE WILL BE ON SALE FRIDAY, MARCH 11th, 1983 (for details of contents see page 5/6 of Micro-file)
VOLUME 19 No. 4 APRIL 1983
CONSTRUCTIONAL PROJECTS
BATTERY TESTER by ChrIsLare 22
Provides led. state indication for 1.5, 3, 4.5, 6, 9 and 12V batteries
DIGITTALKER by A.Wiggin 28
LPC speech system
WIPER DELAY by M. Tooley BA and D. Whitfield MA MSc .. 36
Car rear screen wiper variable speed control
SWITCHED CAPACITOR PHASER by R. Penfold .. .. .. 40
Phaser sound effects based upon the twin filter MF10 CN chip
ULTIMUM Part 6 by William Edwards .. .. .. .. 56
Phoneme speech card
I.F. FILTER/AMPLIFIER by R. F Millington .. .. .. .. .. 63
Improved filter design for the PE Ranger
GENERAL FEATURES
INTO THE REAL WORLD Part 3 by M. Tooley and D. Whitfield .. .. 48
Setting up and using the A to D and D to A converters
SEMICONDUCTOR UPDATE by R. W. Coles .. .. .. .. 55
Swansong
INGENUITY UNLIMITED .. .. .. .. .. 60
Constant current voltage source-Lighting effects unit-Versatile controller
MICROPROMPT .. .. .. 65
Hardware and software ideas for PE computer projects
NEWS AND COMMENT
EDITORIAL .. .. .. .. .. .. .. .. .. 17
NEWS AND MARKET PLACE 18
Including Countdown
BAZAAR .. .. .. .. .. .. .. .. .. 25, 33, 64
Free readers' advertisements
INDUSTRY NOTEBOOK by Nexus .. .. .. .. .. .. .. 27
News and views on the electronics industry
PATENTS REVIEW .. .. .. .. .. .. .. 34
Back to Tesla and speaker improvements
SPECIALOFFER-CASSETTES .. .. .. .. .. .. 43
SPACEWATCH by Frank W. Hyde .. .. .. .. .. .. .. 44
Extra-terrestrial activities chronicled
PE MICROCONTROLLER: DATA SHEET 3 by M. Tooley BA and D. Whitfield MA MSc 47
SPECIAL SUPPLEMENT
MICRO-FILE by A. W. Coles .. .. .. .. .. between pages 38 and 39
Filesheet 6 6809
OUR MAY ISSUE WILL BE ON SALE FRIDAY, APRIL 8th. 1983 (for details of contents see page 6/6 of Micro-file)
VOLUME 19 No. 5 MAY 1983
CONSTRUCTIONAL PROJECTS
DIGIT TALKER by A. Wiggin .. .. . .. .. 21
Interface system
AUTOMOBILE TEST SET by M. Tooley BA and D. Whitfield MA MSc .. .. .. .. 34
Offers a test facility for car electrics
ZEAkER by David Buckley . .. .. .. .. .. .. .. .. 42
Low cost computer controlled robot
MAINS WATCHDOG by Chris Lare .. .. .. .. .. .. .. 50
Audio/visual warning system for mains failures
PERSONAL STEREO AMPLIFIER by A. A. Penfold . .. .. .. .. .. 55
General purpose 6 watts per channel system
ULTIMUM by William Edwards .. .. .. .. .. .. . . . 70
Three chip sound generator GENERAL FEATURES
SEMICONDUCTOR CIRCUITS by Tom Gaskell BA(Hons) .. .. .. .. .. 26
Combination lock (LS7225): 3 tone chime (SABO600)
MICROBUS by DJD 48
A bi-monthly focus on micros for the home constructor
INTO THE REAL WORLD by M. Tooley BA and O. Whitfield MA MSc .. .. .. .. 62
Conclusion of series NEWS AND COMMENT
EDITORIAL ,. .. .. .. .. .. .. .. .. .. 15
NEWS AND MARKET PLACE .. .. .. .. .. .. .. .. .. 16
Including Countdown
BAZAAR .. .. .. .. .. .. .. .. .. 25,30,39, 59
Free readers advertisements SPACEWATCH by Frank W. Hyde .. .. .. .. .. .. .. .. 32
Extra-terrestrial activities chronicled INDUSTRY NOTEBOOK by Nexus .. .. .. .. .. .. .. .. 40
News and views on the electronics industry SPECIAL OFFER-CASSETTES .. .. .. .. .. .. .. .. 53
PATENTS REVIEW .. .. .. .. .. .. .. .. .. 60
TV Warning and Automatic Cut-Out
MICROCONTROLLER DATA SHEET 4 by M. Tooley BA and D. Whitfield MA MSc .. .. 69
We regret that due to circumstances beyond our control we are unable to publish Micro-file this month
OUR JUNE ISSUE WILL BE ON SALE FRIDAY, MAY 6th, 1983 (for details of contents see page 31)
VOLUME 19 No. 6 JUNE 1983
CONSTRUCTIONAL PROJECTS
PROGRAM CONDITIONER by Ian Hickman 20
Obviates problems when copying computer programs
ROCKTON E by 0. Head BSc(Hons) and P. D'Lemos BSc $ 26
A versatile frequency generator for setting up sound systems
ZEAKER Part 2 by David Buckley 36
Construction and programming
PERCUSSION MICROSYNTH Pan 1 by A. A. Bradford 50
A broad voiced drum kit
AUTOMOBILE TEST SET Pan 2 by M. Tooley BA and D. Whitfield MA MSc 60
Construction and use
ULTIMUM Pan 8 by William Edwards 68
Port Card
GENERAL FEATURES
FUSION: TOWARDS REALITY by Mike Abbott 30
Europe's Tokamak experiment
SEMICONDUCTOR CIRCUITS by Tom Gaskell BA (hons) 44
High quality audio preamplifier (HA 12017)
VERNON TRENT AT LARGE 49
MICROPROMPT 57
Hardware and software ideas for PE computer projects
INGENUITY UNLIMITED 65
Car intruder alarm-PWM motor controller with centre off
NEWS AND COMMENT
EDITORIAL . 15
NEWS ANDMARKET PLACE 16
Including Countdown
PATENTS REVIEW 25
Theft detector
SPECIAL OFFER-CASSETTES 34
SPACEWATCH by Frank W. Hyde 42
Extra-terrestrial activities chronicled
INDUSTRY NOTEBOOK by Nexus 43
News and views on the electronics industry
BAZAAR 46. 63
Free readers advertisements
READOUT 56
SPECIAL SUPPLEMENT
MICRO-FILE by A. W. Coles between pages 42 and 43
Filesheet 7 9900
OUR JULY ISSUE WILL BE ON SALE FRIDAY, JUNE 3rd, 1983 (for details of contents see page 41)
VOLUME 19 No. 7 JULY 1983
CONSTRUCTIONAL PROJECTS
ULTRALIGHT by G. Davies .. .. 20
Automatic light and alarm system
PERCUSSION MICROSYNTH Part 2 by A. A. Bradford 26
Construction and setting up
TIMER PROJECTS by Stephen Ibbs 44
2 Digit Down Counter 45
4 Digit LCD Up Counter 48
4 Digit LED Down Counter/Controller 50
4 Digit LCD Down Counter/Controller 54
ULTIMUM Part 9 .. 62
Analogue card
GENERAL FEATURES
FAIRLIGHT MUSIC COMPUTER by Ray Hammond .. .. 32
An in-depth look at this instrument
SEMICONDUCTOR CIRCUITS by Tom Gaskell BA(Hons) .. .. 40
Programmable Crystal Oscillator (PX0-600)
VERNON TRENT AT LARGE 61
MICROBUS by D.J.D. .. .. .. .. 69
A bi-monthly focus on micro's for the home constructor
NEWS AND COMMENT
EDITORIAL .. .. .. 15
NEWS ANO MARKET PLACE .. .. .. .. 16
Including Countdown and Points Arising
SPACEWATCH by Frank W. Hyde .. .. 24 E
xtra-terrestrial activities chronicled
PATENTS REVIEW .. .. .. .. 38
US Disc Alternative
SPECIAL OFFER-CASSETTES .. 38
BAZAAR .. .. .. 58, 65, 70
Free readers advertisements
INDUSTRY NOTEBOOK by Nexus 66
News and views on the electronics industry
SPECIAL SUPPLEMENT MICRO-FILE by R. W. Coles between pages 38 and 39
Filesheet 88086
OUR AUGUST ISSUE WILL BE ON SALE FRIDAY, JULY 1st, 1983 (for details of contents see page 39)
The sundiaI and hourglass shown on the cover were supplied by Seaway Chandlery. Poole.
(August index missing)
VOLUME 19 No. 9 SEPTEMBER 1983
CONSTRUCTIONAL PROJECTS
555/141 TESTER by Stephen Ibbs 22
Function tester for two well known devices
SOFT ERROR DETECTION AND CORRECTION BOARD by A. Trebar .. .. .. 32
A more reliable memory system for your computer
GUITAR ACTIVE TONE CONTROL by A. Scragg .. .. .. .. .. 39
Provides crisper sound and larger tonal range
GROUND COMMUNICATION SYSTEM by R. A. Penfold .. .. .. .. .. 42
A battery operated transceiver for subterranean communications
LOGIC ANALYSER Part 2 by D.Mandelzweig .. .. .. .. .. .. 52
Construction details
GENERAL FEATURES
VERNON TRENT AT LARGE 24
SEMICONDUCTOR CIRCUITS by Tom Gaskell BA (Hons) .. .. .. .. .. 26
Light spot driver (UAAI 70)
GETTING TO GRIPS WITH MAC by Pat Hawker .. .. .. .. .. 46
UK TV satellite system explained
INGENUITY UNLIMITED .. .. .. .. .. .. .. .. 62
Proportional a.c. control without AFI-General purpose timer-Over voltage protectionPseudo telephone ringer-Automatic ni-cad charger-Sound chaser-Slide projector dimmerIntruder alarm with camera unit-Shop bell delay
MICRO-BUS by D.J.D. .. .. .. .. .. .. .. .. .. 70
A bi-monthly focus on micro's for the home constructor
NEWS AND COMMENT
EDITORIAL .. .. .. .. .. .. .. .. .. .. .. 15
NEWS AND MARKET PLACE 16
Including countdown
BAZAAR-USED COMPUTER AND EQUIPMENT BARGAINS .. .. .. 28,60
Free readers' advertisements
INDUSTRY NOTEBOOK by Nexus .. .. .. .. .. .. .. .. 31
News and views on the electronics industry
SPACEWATCH by Frank W. Hyde .. .. .. .. .. .. .. .. 61
Extra-terrestrial activities chronicled
OVERSEAS SUBSCRIPTION AGENTS 66
PATENTS REVIEW .. .. .. .. .. .. .. .. .. 69
Power-cut reserve-Sound switch-Wide screen TV
SPECIAL SUPPLEMENT
MICRO-FILE by A. W. Coles .. .. .. .. .. between pages 38 and 39
Filesheet 10 Z8000
OUR OCTOBER ISSUE WILL BE ON SALE FRIDAY, SEPTEMBER 2nd, 1983 (for details of contents see page 10/6 of Micro-file)
(October, November, December indexes missing).
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