Practical
Electronics
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01273 777619
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Mob 07973 518682
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East Sussex BN1 3RA
Editor
Matt Pulzer
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Louisa Pulzer
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Alan Winstanley
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Kris Thain
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Matt Pulzer
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We regret technical enquiries cannot be answered over the
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re air or odification o co
ercial e ui ent or the incor oration
or odification o designs u lished in the aga ine. e cannot
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ore than five years old.
Questions about articles or projects should be sent to the editor
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Projects and circuits
All reasonable precautions are taken to ensure that the advice and
data given to readers is reliable. We cannot, however, guarantee
it and we cannot accept legal responsibility for it.
A number of projects and circuits published in Practical Electronics
employ voltages that can be lethal. You should not build, test,
modify or renovate any item of mains-powered equipment unless
you fully understand the safety aspects involved and you use an
RCD (GFCI) adaptor.
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We do not supply electronic components or kits for building the
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advise readers to check that all parts are still available before
commencing any project in a back-dated issue.
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Volume 51. No. 10
October 2022
ISSN 2632 573X
Editorial
Ring, ring!
I’ve had a mobile phone for 25 years and the changes over that
period in terms of cost, functionality and convenience have
been phenomenal. My iPhone is always at hand, and when I
carelessly lost it earlier in August I’m embarrassed to say it
was quite a trauma! That said, I still have a landline, partly
because it’s part of the package that Virgin Media supply, partly
because I get a better ‘signal’ and don’t drop calls, and partly…
well, simple nostalgia. I’m old enough to remember when a
corded rotary dial phone was all there was, and I like having a
phone on my desk. True, no Bakelite is involved in my current
device – it’s a nice Panasonic DECT cordless model – but it
still feels like a landline… sort of. Anyway, the reason for this
ramble is that for those of you who have an unused old phone
lurking under your desk or in your workshop then we have the
perfect project for you this month. The Tele-com lets you build
a sophisticated intercom with ‘proper’ phones that ring the oldfashioned way. Good fun and well worth a read.
SMD tweezers
The other project I particularly enjoyed in the current issue
shows you how to build a pair of clever, useful and inexpensive
SMD Test Tweezers – simple but elegant DIY instrumentation for
all you SMD fans.
Please!
Most of the communication we receive from readers is via email
– pe<at>electronpublishing.com – and this is undoubtedly the best
way to contact us. However, from time to time we also receive
traditional paper letters, and these are of course welcome too.
But, for those of you who prefer to use ‘snail mail’ I have one
simple request. If you are making an order or expect a reply
then please, please include at the very least your phone number
and better still your or a friend’s email address. All too often
we find that hand-written orders can be hard to decipher or you
forget an important item (eg, your postal address!) and we can’t
proceed with an order or even let you know that your order is
never going to arrive. Just adding your phone number means we
can easily contact you and sort out any issues. Thank you!
Matt Pulzer
Publisher
Although the proprietors and staff of Practical Electronics take
reasonable precautions to protect the interests of readers by
ensuring as ar as ractica le that advertise ents are ona fide
the magazine and its publishers cannot give any undertakings
in respect of statements or claims made by advertisers, whether
these advertisements are printed as part of the magazine, or in
inserts. The Publishers regret that under no circumstances will
the magazine accept liability for non-receipt of goods ordered, or
for late delivery, or for faults in manufacture.
Transmitters/bugs/telephone equipment
We advise readers that certain items of radio transmitting and
telephone equipment which may be advertised in our pages
cannot be legally used in the UK. Readers should check the law
e ore uying any trans itting or tele hone e ui ent as a fine
confiscation o e ui ent and or i rison ent can result ro
illegal use or ownership. The laws vary from country to country;
readers should check local laws.
Practical Electronics | October | 2022
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