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Issue 88
RETRO
COMPUTING
December 2019
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The official Raspberry Pi magazine
WITH
RASPBERRY PI 4
Upcycle a classic
computer
Play retro
video games
Rediscover
classic coding
Plus!
ZX Spectrum
Next
British icon
reborn
Build the best
Christmas projects
Assemble a
low-cost camera bot
Capture the stars with
astrophotography
Raspberry Pi firmware
turns down the heat
£5.99
Thermal
Testing
43
PAGES OF PROJECTS & TUTORIALS
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WELCOME
WELCOME
to
The MagPi
88
R
etro Computing is always close to our hearts here at Raspberry
Pi Towers. We grew up with all the greats: BBC Micro, Sinclair
Spectrum, Commodore 64 and Amiga.
No matter which classic system you prefer, we can all agree that retro
With its faster processor and increased RAM, Raspberry Pi 4 can
EDITOR
computing on Raspberry Pi has never been better.
become virtually any 8- or 16-bit computer, enabling you to relive those
glory years, rediscover classic programs, and learn computer science
from the source. See our wonderful Retro Computing feature (page 24).
Raspberry Pi 4 is a powerful computer – more power needs more
energy, and that means more heat. The engineering team have been
hard at work bringing down the heat, through clever tweaks that keep
the speed levels up, but the heat demands down.
We’ve expanded our heat tests for Raspberry Pi 4 and the result is
a sublime Thermal Testing the Raspberry Pi 4 feature (page 66). It’s
packed with insider information about how computers are made.
Finally: Merry Christmas! Rob starts Christmas around October
and has been working up to a big
Christmas Lights tutorial (page 40)
and the Top 10 Christmas Projects
(page 80). Both are cracking features.
I hope you all have a great holiday
season, and make lots of amazing
things. Don’t forget to share your
projects with us!
Lucy
Hattersley
Lucy is Editor of
The MagPi.
Her first
computer was a
ZX Spectrum, but
it was Commodore
that stole her heart.
First with the C64,
then the Amiga.
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ZERO W KIT
PAGE
22
Lucy Hattersley
Editor
magpi.cc
03
CONTENTS
Contents
>
Issue 88
>
December 2019
Cover Feature
24
Retro computing
World of Raspberry Pi
Your letters
Next Month
The Final Word
Regulars
06
92
97
98
10
14
18
Project Showcases
ZX Spectrum Next
The Swirl Machine
Astrophotography Autoguider
24
18
10
ZX Spectrum Next
Astrophotography Autoguider
DISCLAIMER:
Some of the tools and techniques shown in The MagPi magazine are dangerous unless used with skill, experience, and appropriate personal protection equipment. While
we attempt to guide the reader, ultimately you are responsible for your own safety and understanding the limits of yourself and your equipment. Children should be supervised. Raspberry
Pi (Trading) Ltd does not accept responsibility for any injuries, damage to equipment, or costs incurred from projects, tutorials or suggestions in The MagPi magazine. Laws and regulations
covering many of the topics in The MagPi magazine are different between countries, and are always subject to change. You are responsible for understanding the requirements in your
jurisdiction and ensuring that you comply with them. Some manufacturers place limits on the use of their hardware which some projects or suggestions in The MagPi magazine may go
beyond. It is your responsibility to understand the manufacturer’s limits.
04
magpi.cc
CONTENTS
40
62
Tutorials
Smart Christmas lights
Polish your PICO-8 game
79
36
40
44
52
56
62
66
Build a low-cost robot – part 5
Smart Christmas lights
Hack GraviTrax – part 2
Retro gaming with Lakka
C and GTK GUI dialogs
Polish your PICO-8 game
The Big Feature
GPIO Xmas Tree
84
Thermal testing update!
Reviews
79
80
82
84
86
90
GPIO Xmas Tree
Top 10 Christmas projects
Learn computing systems
Community
Liz Clark interview
This month in Raspberry Pi
Events calendar
Liz Clark interview
WIN
PIARM ROBOT
ARM KIT!
95
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05

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