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Issue 82
June 2019
magpi.cc
The official Raspberry Pi magazine
BUILD A
PI KEYRING
Keep your computer with
you at all times
TO
RN
EA
L
WITH
SC
YURI 3
MARS
ROVER
Recreating a
space robot
PLUS!
Build a MIDI
sequencer
Model railway
projects
Add NeoPixel
lighting to a display
PYTHON
ATCH
&
R
MAKE A
MARAUDER’S MAP
Use beacons to locate people
THE BEST
AI LEARNING RESOURCES
magpi.cc/store
WELCOME
WELCOME
to
The MagPi
82
C
oding is a life-changing skill.
One of my first memories is
creating a platform game at school; even though I loved coding,
I went on to study English and take up a career in journalism.
That was before Raspberry Pi and online training came along. A series
EDITOR
of courses in Computational Thinking and Computer Science enabled
me to pick up where I left off as a child. Coding had changed, but so
had I: Scratch made it easy to visualise programs, and Python replaced
BASIC. A greater focus on making fired my imagination. Computer
science and coding also led me to Raspberry Pi, where I ended up
editing this fine magazine.
The Raspberry Pi was created to increase the number of students
learning code and computer science. Needless to say, it was a roaring
success. Almost a year since winning the prestigious MacRobert award,
Raspberry Pi now finds itself stamped into history by the Royal Mail,
which is celebrating 50 years of British engineering. It joins the likes of
the Harrier Jump Jet in a special set of postage stamps (page 6).
With the Pi’s prestigious prizes and Cambridge University history,
you might be forgiven for thinking
that coding isn’t for you - it’s for
engineers and students, and you’ve
missed the coding boat. Nothing is
further from the truth. Our feature
(page 26) will get you started.
Anybody can learn to code; everybody
should learn to code.
Lucy
Hattersley
Editor of
The MagPi.
Lucy codes, crafts,
and creates wonky
robots. She speaks
French (badly) and
mangles the piano.
One day she’ll get
that pet dog.
magpi.cc
GET A
RASPBERRY
ZERO W KIT
PAGE
24
Lucy Hattersley
Editor
magpi.cc
03
CONTENTS
Contents
>
Issue 82
>
June 2019
Cover Feature
26
Learn to code
The world of Pi
Your letters
Next month
Final word
Regulars
06
92
97
98
Project Showcases
10
14
16
18
20
22
Yuri 3 Mars rover
Telepresence Hand
Cat shower
DIY Hardware Password Keeper
Pi VizuWall
Hologram Machine
26
10
20
Pi VizuWall
Yuri 3
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
38
46
Tutorials
Build a Pi keyring
Lego Boost part 3
76
38
42
46
54
58
Build a Pi keyring
Display cabinet lights
Lego Boost part 3 – Pi Bakery
Make a Marauder’s Map
Buttons and labels with GTK
The Big Feature
66
PiBug 2WD robot
Model railway projects
84
Reviews
76
78
80
82
PiBug 2WD robot
LibreELEC 9.0
Top 10 health projects
Learn AI resources
Community
Nicole Parrot interview
84
86
90
Nicole Parrot interview
This month in Raspberry Pi
Events
WIN
ONE OF
TEN
WITH MODMYPI
magpi.cc
05
JAM HATS
95

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