hackspace_issue47.pdf

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hsmag.cc
October
2021
Issue
#47
LORA
Adding long-range
radio to a project
ALSO
INSIDE
Add capacitive
touch to Pico
TOUCH
INPUT
DIY
GAMES
Build your own
input device
Essential
builds for your
home, office,
and workshop
CONTROLLER
Oct. 2021
Issue #47
£6
C A R D B OA R D
P I CO
S M D
P U R E DATA
It's official! Name change announcement!
Same team, same company - just a new name!
Legendary
is now
The same great products and services
From the growing PiShop family!
Now serving all of North America
PiShop.ca
PiShop.us
PiShop.mx
WELCOME
EDITORIAL
Editor
Ben Everard
ben.everard@raspberrypi.com
Welcome to
HackSpace magazine
Like many people who get a 3D printer, I first got very excited
to test it out and print things. The usual novelty things – and
some were useful, (I still have some custom-made knobs on
my oven that I’m very pleased with). I made some Christmas
decorations that year, and had great fun with flat-pack
‘card’-style gifts. For a while, it was one of my go-to tools,
whether I needed a jig to help me hold things in place while
fixing them, or for creating new designs to solve a problem.
However, recently I’ve not used my 3D printer much. That’s
partly because I got so exhausted trying to print face masks
24 hours a day, seven days a week during the early months of
the pandemic, while also running a magazine and managing
a toddler who could no longer go to nursery.
I often look at my 3D printer and think of its potential, but
where should I (re)start? I’m sure I’m not the only person who
has a desktop fabricator that sits idle most of the time. We’ve
picked 50 great designs to spruce up your home office and
workshop, so let’s get back into it. Let’s level those beds, heat
up those hot ends, and squirt some bioplastic. It’s time to get
3D printing.
Features Editor
Andrew Gregory
andrew.gregory@raspberrypi.com
Sub-Editors
David Higgs, Nicola King
DESIGN
Critical Media
criticalmedia.co.uk
Head of Design
Lee Allen
Designers
Sam Ribbits, Lucy Cowan,
Ty Logan
Photography
Brian O’Halloran
CONTRIBUTORS
Razvan T. Coloja, Jo Hinchliffe,
Marc de Vinck, Rob Miles,
Rosie Hattersley, Glenn Horan
PUBLISHING
Publishing Director
Russell Barnes
russell@raspberrypi.com
Advertising
Charlie Milligan
charlotte.milligan@raspberrypi.com
DISTRIBUTION
Seymour Distribution Ltd
2 East Poultry Ave,
London EC1A 9PT
+44 (0)207 429 4000
SUBSCRIPTIONS
Unit 6, The Enterprise Centre,
Kelvin Lane, Manor Royal,
Crawley, West Sussex, RH10 9PE
To subscribe
01293 312189
Got a comment,
question, or thought
about HackSpace
magazine?
BEN EVERARD
Editor
ben.everard@raspberrypi.com
hsmag.cc/hello
get in touch at
PAGE
GET IN TOUCH
hackspace@
raspberrypi.com
hackspacemag
hackspacemag
FREE PICO
WHEN YOU
SUBSCRIBE
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.
46
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Subscription queries
hackspace@subscriptionhelpline.co.uk
ONLINE
hsmag.cc
3
Contents
06
06
18
20
28
30
70
33
34
48
56
66
70
SPARK
Top Projects
Beautiful builds made by beautiful human beings
LENS
50 best 3D prints
Put your printer to good use with these life-enhancers
Objet 3d’art
Explore the moon from the comfort of home
How I Made:
Plant monitoring network
LORA + micro:bit = some happy plant life
Meet the Maker:
Agnes Jones
What does it take to sculpt in steel?
Interview:
Tommy Marshall
Square waves, 555 timers, and 3D-printed synthesizers
Letters
Citizen science, atoms, and cake
Improviser’s Toolbox:
Cardboard tubes
Cheap, rigid, easily workable: the holy trinity of cardboard
Kickstarting
A hub for your own smart home setup
Games controllers
We attempt to build the next big thing in video games
Cover Feature
Tutorial
Surface-mount soldering
92
Level up your soldering skills with
a crash course in surface-mount
80
34
4
Practical prints for better living
CONTENTS
06
4050 laser engraver
20
Interview
Tommy Marshall
96
Direct from Shenzhen
110
73
74
76
80
84
92
96
This laser engraver is fully
armed and operational
FORGE
SoM
Pico
Add capacitive touch sensing to your Pico
56
The unifying power of wibbly-
wobbly sound-waves
Tutorial
CNC
Milling a simple PCB on a CNC machine
Tutorial
Pico keyboard
Build an isometric input device
103
104
110
112
FIELD TEST
Best of Breed
Keyboards
Clicky-clacky computer add-ons
Tutorial
FreeCAD
Combine with KiCAD to create populated PCBs
112
Tutorial
Surface-mount soldering
Get your magnifying glass out – we’re miniaturising!
Direct from Shenzhen
Caution: may contain lasers!
Tutorial
Pure Data
Make a drum machine with this musical language
Review
Watchy
A chunky, hackable smartwatch with
nothing at all to do with Apple
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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