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Issue 91
March 2020
magpi.cc
The official Raspberry Pi magazine
Raspberry Pi 4
2GB upgrade!
Base model now 2GB!
Still just $35
Starter
Electronics
Create your first circuit
with Raspberry Pi
king
Ma
hOf
ont
uild
#M
t’s b
Le
ther!
toge
£5.99
NexDock laptop reviewed
Make an earthquake detector
Build a musical beat machine
Make and wear
something amazing!
40
PAGES OF PROJECTS & TUTORIALS
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Top 10
Wearable Projects
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WELCOME
WELCOME
to
The MagPi
91
T
whim.
We had lots of cool ideas for projects, and wanted to get on
with them. Then Rob had the bright idea of doing a maker special
EDITOR
he MagPi
ran its first #MonthOfMaking last March almost on a
Lucy
Hattersley
Lucy is editor of
The MagPi
magazine.
She’s just discovered
how much her
Game Boy Micro is
worth, while holding
a screwdriver in
one hand and an
Adafruit 1.3-inch
bonnet in the other.
Thanks, Twitter.
magpi.cc
all month: a time where we would all commit to getting on with that
thing we’d been planning for months.
It was a rip-roaring success, and we’ve been looking forward to this
month ever since. So #MonthOfMaking is back (page 32). If you’re
on Twitter, make sure you search for the hashtag (and our other one:
#MyLatestBuild) and get in touch with other
The MagPi
makers.
This month I made a Raspberry Shake (page 42) and installed
it via power-line networking in my conservatory. There my little
earthquake-detector sits, 24-hours-a-day, quietly reporting on seismic
activity to other citizen scientists around the world.
Of course, the real joy of making is (for me) learning something
new: in this case how a geophone
sensor works. I’m also going to get
some practice in working with the
datasets. But I’m just happy to make
something for the sheer joy of seeing
it exist in the world.
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RASPBERRY
ZERO W KIT
PAGE
30
Lucy Hattersley
Editor
magpi.cc
03
Contents
>
Issue 91
>
March 2020
Cover Feature
32
#MonthOfMaking
World of Raspberry Pi
Your letters
Next Month
The Final Word
Regulars
06
92
97
98
14
18
20
22
26
28
Project Showcases
NeoPixel LED Mirror
AdventurePi
Reachy
El Carrillon
Bellagio Water Show
Raspberry Pine
aking
thOfM
d
#Mon
et’s buil
L
gether!
to
32
14
20
Reachy
NeoPixel LED Mirror
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.
42
51
Tutorials
Raspberry Shake
Hex-A-Pad – part 2
74
42
46
51
60
64
Raspberry Shake
Magic Mirror – part 2
Hex-A-Pad – part 2
C and GTK cheat sheet
The Big Feature
NexDock 2
82
Starter Electronics
Reviews
74
76
78
80
82
84
88
NexDock 2
RedBoard+
Top 10 wearable projects
Learn SQL
Community
Ben Nuttall interview
This month in Raspberry Pi
Events calendar
Ben Nuttall interview
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