Vol.7, No.11; November 1994
FEATURES
FEATURES
DON’T THROW AWAY those
AA-size dry battery! Rejuvenate
them instead with this Dry-Cell
Rejuvenator. You could get up to
10 times their rated life & save
money – details page 14.
6 Anti-Lock Braking Systems: How They Work by Julian Edgar
Electronic circuitry does the job
80 How To Plot Patterns Directly To PC Boards by John Clarke
A new way to make one-off prototypes
PROJECTS
PROJECTS TO
TO BUILD
BUILD
14 Build A Dry-Cell Battery Rejuvenator by Darren Yates
Recharges dry cells up to 10 times
20 A Novel Alphanumeric Clock by Anthony Nixon
An old-fashioned clock using newfangled technology
THIS NOVEL CLOCK tells the
time just the way we say & think
it. You can build one for yourself
by following the article starting
on page 20.
36 UHF Radio Alarm Pager by Branco Justic
Ideal for keeping tabs on cars & boats
53 80-Metre DSB Amateur Transmitter by Leon Williams, VK2DOB
It’s easy to build & uses readily available parts
66 Twin-Cell Nicad Discharger by Darren Yates
Modifying the May 1993 discharger to do the job
SPECIAL
SPECIAL COLUMNS
COLUMNS
32 Serviceman’s Log by the TV Serviceman
Tread carefully with a new brand name
70 Vintage Radio by John Hill
Resurrecting a pair of old AWA C79 chassis
KEEP TABS ON YOUR CAR or
boat with this UHF Alarm Pager.
When triggered, it transmits a
signal that activates a buzzer in
a small receiver unit – see page
36.
77 Computer Bits by Darren Yates
Review: Visual BASIC for DOS
83 Modellers With Dedication, Pt.3 by Bob Young
Progress in model racing car technology
DEPARTMENTS
DEPARTMENTS
2
4
60
64
86
Publisher’s Letter
Mailbag
Order Form
Circuit Notebook
Product Showcase
90
92
94
96
Back Issues
Ask Silicon Chip
Market Centre
Advertising Index
IF YOU HAVE JUST obtained
your novice licence, this little
80-metre transceiver will get you
on the air as cheaply as possible.
It uses no ICs & the parts are all
easy to obtain. Details page 53.
Cover concept: Marque Crozman
November 1994 1
