Practical
Electronics
Volume 51. No. 6
June 2022
ISSN 2632 573X
Contents
Projects and Circuits
Full-wave Universal Motor Speed Controller by John Clarke
16
Want exceptionally smooth speed control over the entire range for your power tool?
This design is ideal for use with mains-powered motors rated up to 10A.
8/14/20-pin PIC Programming Helper by Tim Blythman
t s incredi le hat you can achieve ith
in
s ut rogra
ing de ugging
the can e a challenge. his oard ill a e your
li e uch easier
26
Advanced GPS Computer – Part 1 by Tim Blythman
ts . inch touchscreen a es our dvanced
o uter a great navigation
tool on the road in the ater or even u in the s y. lus you can custo ise it.
32
Techno Talk by Mark Nelson
ositivity ollo s the gloo
8
The Fox Report by Barry Fox
igh dra a ut lo tech
te ie i ic o the onth
arly a anese
10
Net Work by Alan Winstanley
A round-up of topical technological issues and trends from the UK and
around the world.
12
a s Cool eans y ax The agnificent
lashing
s and drooling engineers
art
40
Circuit Surgery by Ian Bell
istortion and distortion circuits
48
Series, Features and Columns
art
Make it with Micromite y hil oyce
art
o it or s he lectronic oor oc so t are
54
Audio Out by Jake Rothman
New de-thump circuit and power supply mods
60
Electronic uilding loc s by Julian Edgar
ntroduction to linear actuators art
64
Wireless for the Warrior
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Editorial
How to annoy customers and lose them
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in a icrochi
uriosity ltra evelo ent oard
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Next month! – highlights of our next issue of Practical Electronics
2
4
7
7
Regulars and Services
Made in the UK.
Written in Britain, Australia,
the US and Ireland.
9
11
47
53
70
72
Read everywhere.
© Electron Publishing Limited 2022
Copyright in all drawings, photographs, articles,
technical designs, software and intellectual property
published in Practical Electronics is fully protected,
and reproduction or imitation in whole or in part are
expressly forbidden.
The July 2022 issue of Practical Electronics will be
published on Thursday, 2 June 2022 – see page 72.
Practical Electronics | June | 2022
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