Practical
Electronics
Volume 51. No. 7
July 2022
ISSN 2632 573X
Contents
Projects and Circuits
Single-Chip Silicon Labs FM/AM/SW Digital Radio Receiver by Charles Kosina 16
he ulti ate in
radio rece tion technology is the single chi solution. t s easy
to set u and use fits in a co act case and runs ro a si le
lug ac .
Model Railway Level Crossing by Les Kerr
24
his ine ensive
ased scale odel ail ay evel rossing has realistic
oving arriers ashing lights and a ell sound recorded ro a real level crossing.
Advanced GPS Computer – Part 2 by Tim Blythman
n art
e descri ed ho our ne
dvanced
o uter or s
e ll ove onto the construction and instructions or use.
this
onth
Series, Features and Columns
Techno Talk by Mark Nelson
Mixed menu
8
The Fox Report by Barry Fox
eal vs virtual events the good the ad and the tough
10
Net Work by Alan Winstanley
round u o to ical technological issues and trends ro
around the orld.
Flowcode
C
v oid interrupt( v oid)
{
if ( intc on & 4 )
{
c lear_ bit( intc on, 2 ) ;
F C M _ IN T E R R U P T _ T M R
o( ) ;
Assembly
movlw
bsf S T A T U S , R P 0
bc f S T A T U S , R P 1
m ov wf _ adc on1
movlw 1 2
m ov wf _ option_ reg
Hex
:0 4 0 0 0 0 0 0 8 A 0 1 1 2 2 8 3 7
:0 8 0 0 0 8 0 0 F 0 0 0 F 0 0 S 0 3 0
E F 1 0 0 0 0
:1 0 0 0 1 0 0 0 0 4 0 E F 2 0 0 0 A 0
E F 3 0 0 B A 1 1 0 A 1 2 2 9 2 8 3 5 2
8 6 C
:2 0 0 0 2 0 0 D 9 2 8 F E 2 8 0 7 3
the
Written in Britain, Australia,
the US and Ireland.
and
12
Make it with Micromite by Phil Boyce
art
nstalling
on a as erry i ico
42
a s Cool eans y ax The agnificent
lashing
s and drooling engineers
art
45
Flowcode Graphical Programming by Martin Whitlock
art
esigning a igital loc
48
Circuit Surgery by Ian Bell
istortion and distortion circuits
54
art
Audio Out by Jake Rothman
rans or ers in audio
art
60
Electronic uilding loc s by Julian Edgar
ntroduction to linear actuators
art
64
Wireless for the Warrior
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72
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© Electron Publishing Limited 2022
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published in Practical Electronics is fully protected,
and reproduction or imitation in whole or in part are
expressly forbidden.
The August 2022 issue of Practical Electronics will be
published on Thursday, 7 July 2022 – see page 72.
Practical Electronics | July | 2022
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