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Practical
Electronics
Volume 51. No. 5
May 2022
ISSN 2632 573X
Contents
Projects and Circuits
64-key MIDI Matrix – Part 2 by Tim Blythman
ast onth e develo ed the
atri hard are no it s ti e to use the
so t are you can even use it ith ndroid s art hones and ta lets.
14
Digital FX Unit – Part 2 by John Clarke
earn ho to create and install di erent e ects atches into the
i ressive igital
unit.
20
o our
High-current Battery Balancer – Part 2 by Duraid Madina
28
ollo ing last onth s introduction to our ne
igh current attery alancer this
second and final article descri es the asse ly and testing ste s and ho to use it.
Series, Features and Columns
Techno Talk by Mark Nelson
ro nano to io
Net Work by Alan Winstanley
round u o to ical technological issues and trends ro
around the orld.
KickStart by Mike Tooley
art
ntroducing the as
the
erry i ico
Audio Out by Jake Rothman
nalogue ocoder
art
sse
ly and testing
Written in Britain, Australia,
the US and Ireland.
10
36
42
a s Cool eans y ax The agnificent
lashing
s and drooling engineers
art
48
Wind turbine for your garden by Julian Edgar
ne ensive and ell ade this tur ine is ideal or e eri enting ith ind o er.
54
Circuit Surgery by Ian Bell
oyer oscillators
58
Electronic Building Blocks by Julian Edgar
lectronic tethosco e or achinery
63
Wireless for the Warrior
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2
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Regulars and Services
Made in the UK.
and
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34
66
68
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 June 2022 issue of Practical Electronics will be
published on Thursday, 5 May 2022 – see page 72.
Practical Electronics | May | 2022
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