hack_space_issue_32.pdf

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MICROPYTHON
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July
2020
Issue
#32
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CABLE TIES
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SPARKLES
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WELCOME
EDITORIAL
Editor
Welcome to
HackSpace magazine
The only way to know what the limits are is to push
something until it hits them. That’s what the makers we’re
looking at in this issue are doing. By looking at what it takes
to make something perform in extreme environments, we
can learn more about the best ways of making things work in
more sedate places.
If you’re looking to send your own creation to the extremes,
we also look at a whole heap of techniques and parts to help
Ben Everard
ben.everard@raspberrypi.org
Features Editor
Andrew Gregory
andrew.gregory@raspberrypi.org
Sub-Editors
David Higgs, Nicola King
DESIGN
Critical Media
criticalmedia.co.uk
Head of Design
Lee Allen
Designers
Sam Ribbits, Harriet Knight,
Ty Logan
Photography
Brian O’Halloran
CONTRIBUTORS
Lucy Rogers, Drew Fustini,
Jo Hinchliffe, PJ Evans, Step
Tranovich, Mayank Sharma,
Glenn Horan, Les Pounder,
Marc de Vinck
If you’re looking to send your own creation to
the extremes,
we also look at a whole heap
of techniques and parts to help you do it
you do it, from new,
high-power control
boards (in the form
of Raspberry Pi 4
PUBLISHING
Russell Barnes
8GB and Arduino
Portenta), strong and lightweight construction methods such
as fibreglass, and pushing your 3D printer to its limit with
different nozzle selections. Whatever you’re planning on
building, we’re here to help.
BEN EVERARD
Editor
ben.everard@raspberrypi.org
Publishing Director
russell@raspberrypi.org
Advertising
Charlie Milligan
charlotte.milligan@raspberrypi.org
DISTRIBUTION
Seymour Distribution Ltd
2 East Poultry Ave,
London EC1A 9PT
+44 (0)207 429 4000
PAGE
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hackspacemag
hackspacemag
This magazine is printed on
paper sourced from sustainable
forests. The printer operates an
environmental management system
which has been assessed as
conforming to ISO 14001.
HackSpace magazine is published
by Raspberry Pi (Trading) Ltd.,
Maurice Wilkes Building, St. John’s
Innovation Park, Cowley Road,
Cambridge, CB4 0DS The publisher,
editor, and contributors accept
no responsibility in respect of any
omissions or errors relating to goods,
products or services referred to or
advertised. Except where otherwise
noted, content in this magazine is
licensed under a Creative Commons
Attribution-NonCommercial-
ShareAlike 3.0 Unported (CC BY-NC-
SA 3.0). ISSN: 2515-5148.
ONLINE
hsmag.cc
3
Contents
06
06
18
20
26
28
106
31
32
46
52
54
62
66
SPARK
Top Projects
Creativity in physical form
LENS
Extreme Builds
Projects taken to the limit
Objet 3d’art
Great Scott! It’s a 3D-printed DeLorean!
How I Made:
Robot guitar
Move over Tom Morello: the machine has won
Meet the Maker:
Evil Mad Scientist
Inside the secret hollowed-out volcano lair
In the workshop:
Raspberry Pi camera
Turning a sensor and a lens into something useful
Columns
Can you teach yourself to be creative?
Interview:
Gina Häußge
3D printing is fun because of one person. Thanks, Gina!
Letters
What do you want to see more of? Let us know!
Improviser’s Toolbox
Cable ties
Snip, weave, and melt your way to maker excellence
Raspberry Pi 4 8GB
Twice the RAM and now a 64-bit OS for Raspberry Pi
Cover Feature
Tutorial
Photogrammetry
st
th the mo
r wi
r, strongeplanet
ste
, higher, fauilds on the
r
Go furthe extreme b
82
Bring real objects into
3D design software
52
32
4
CONTENTS
80
100
How I made
Robot guitar
18
School of making
Fibreglass
06
76
71
72
76
80
82
88
94
Make moulds for building
your next boat/rocket
46
Musicians, replace your feeble flesh
fingers with PCBs and solenoids
FORGE
SoM
MicroPython
Control devices from the internet
99
100
106
108
110
112
FIELD TEST
Best of Breed
The best clock kits
SoM
Fibreglass
3D-print moulds for light, flexible builds
Tutorial
MetalFil
Printing in metal and stone filament
Can I Hack It?
Obsolete electronics put to good use
66
Tutorial
Photogrammetry
Scan real objects with your phone
Review
E3D Nozzle Fun Pack
Upgrade your printer for more versatility
Tutorial
3D photography
Combine two images for stereo vision!
Review
Ringo mobile phone
DIY mobile computing
Tutorial
Build a robot
Upgrade a cheap chassis into a unique build
Review
Arduino Portenta H7
Two cores for extra power
Some of the tools and techniques shown in HackSpace 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. HackSpace Magazine is intended for an adult audience and some projects may be dangerous for children. Raspberry
Pi (Trading) Ltd does not accept responsibility for any injuries, damage to equipment, or costs incurred from projects, tutorials or suggestions in HackSpace Magazine. Laws and regulations covering many of the topics
in HackSpace 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 HackSpace Magazine may go beyond. It is your responsibility to understand the manufacturer’s limits.
5

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