Practical
Electronics
Volume 52. No. 12
December 2023
ISSN 2632 573X
Contents
Projects and Circuits
Digital Boost Regulator by Tim Blythman
17
This board lets you use a PIC18F18146 8-bit microcontroller for any task while its
onboard peripherals generate an adjustable voltage without interfering with what it’s
doing. It includes capacitive sense buttons and a seven-segment display.
25
Dual-Channel Power Supply for Breadboards by Tim Blythman
This Dual-Channel Breadboard PSU plugs straight into a breadboard’s power rails,
has two adjustable current-limited outputs and can run from different power sources.
Display Adaptor for the Breadboard PSU by Tim Blythman
34
This Display Adaptor attaches to the Breadboard PSU and displays lots of handy data,
such as the set and actual voltages and currents.
Series, Features and Columns
Techno Talk by Max The Magnificent
Good grief! Is that the time?
8
Net Work by Alan Winstanley
10
Reports on compact uninterruptible power supplies designed for small electronics
during a power outage; how the UK manage power shortages; and space news.
The Fox Report by Barry Fox
Too cheap to be true?
15
Max’s Cool Beans by Max The Magnificent
Arduino Bootcamp – Part 12
42
Circuit Surgery by Ian Bell
Frequency shifting and superheterodyne receivers – Part 1
48
NEW SERIES!
MitchElectronics by Robin Mitchell
The 555 Timer IC – Part 1 – building an astable and monostable
KickStart by Mike Tooley
Part 14: Legacy logic revisited
Regulars and Services
Made in the UK.
Wireless for the Warrior
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Reader services – Editorial and Advertising Departments
Editorial
Amazing Electronics
Exclusive Microchip reader offer
Win a Microchip PIC24F LCD and USB Curiosity Development Board
PE Teach-In 9
Teach-In bundle – what a bargain!
PE Teach-In 8
Practical Electronics PCB Service
PCBs for Practical Electronics projects
Classified ads and Advertiser index
Next month! – highlights of our next issue of Practical Electronics
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61
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7
7
9
32
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47
68
71
72
Written in Britain, Australia,
the US and Ireland.
Read everywhere.
© Electron Publishing Limited 2023
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 January 2024 issue of Practical Electronics will be
published on Thursday, 7 December 2023 – see page 72.
Practical Electronics | December | 2023
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