MagPi77.pdf

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WIN!
10 NEW CLUSTER HATS
Issue 77
January 2019
magpi.cc
The official Raspberry Pi magazine
20 Amazing
Accessories
1970s
Computing
Go back in time
with the PiDP-11
Best Raspberry Pi
kit & components
Plus!
s
control electronic
Learn Python &
ith Raspberry Pi
w
Save files in the
Command Line
The Raspberry Pi
SelfieBot
Gaming with
Picade Console
Build a
Smart Door
Control your locks
with Raspberry Pi
The
10 best DAC
sound cards
magpi.cc/store
WELCOME
WELCOME
to The MagPi 77
I
t’s incredibly important to make stuff. The Raspberry Pi computer,
and community, is – at its heart – all about the things you can
make with this wonderful low-cost machine.
Many makes are frivolous, like WhooPi cushions and Robotic
EDITOR
Teapots; some are incredibly important, like monitoring the Borneo
rainforest. Learning is important no matter what the outcome.
This issue’s lead feature is Make with Code (page 26). In it you’ll
discover how to use the building blocks of electronics to build projects.
The Raspberry Pi can become just about anything with the right
accessory: from screens, to robotic motor controllers, through to GPS
and AI accelerators. Our guide to The Best Pi Accessories (page 68) is
your dream toolbox.
Every issue of
The MagPi
is packed full of inspirational projects.
This month we’ve got an e-ink display work of art (page 22), a robot
that takes selfies (page 16), a webpage testing machine (page 10) and
even an automated bird caller (page 20).
Build something fun. Something you love. Start with the fun stuff
and you never know where it might
end up. The Raspberry Pi has been
used to save eyesight in India, and
protect the coral reefs of Australia.
But whether you build something
world-changing or just mess around
for fun, make sure you make stuff.
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
RASPBE A
NEW
RRY PI 3
A+
PAGE
24
Lucy Hattersley
Editor
magpi.cc
03
CONTENTS
Contents
>
Issue 77
>
January 2019
Cover Feature
26
Make with code
The world of Pi
Your letters
Next month
Final word
Regulars
06
92
97
98
Project Showcases
10
14
16
18
20
22
WebPageTest
Solar Inverter Monitor
SelfieBot
Open Sesamessage
Game Bird Recall
E-ink Display Project
26
16
22
10
WebPageTest
SelfieBot
E-ink Display Project
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
42
60
Tutorials
Pygame Zero: Pac-Man
Make games in C
36
42
52
56
60
68
Make a VDU
Pygame Zero: Pac-Man part 2
Smart door
Command line – save it now
Make games in C part 12
The Big Feature
76
The best
Raspberry Pi
accessories
PiDP-11
Reviews
78
80
76
78
80
82
PiDP-11
Picade Console
Top 10 DACs
Electronics resources
Community
Picade Console
Top 10 DACs
84
86
90
Interview
This month in Raspberry Pi
Events
WIN
ONE OF
TEN
Cluster HATs
and create a Pi powerhouse!
95
magpi.cc
05

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