HackSpace_72.pdf

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November
2023
Issue
#72
Nov. 2023
Issue #72 £6
72
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9 772515
514006
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3D PRINTING
ARDUINO
NEURAL NETWORKS
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WELCOME
EDITORIAL
Editor
Ben Everard
ben.everard@raspberrypi.com
Features Editor
Andrew Gregory
andrew.gregory@raspberrypi.com
Sub-Editors
David Higgs
,
Nicola King
DESIGN
Welcome to
HackSpace magazine
Raspberry Pi 5 is here! Last month, we chatted to its creators
about what to expect, and this month, we’ve been putting it
it really excels.
The Raspberry Pi team has done a great job of increasing
performance across the board. That means that most projects
will get a speed boost. If your project is running perfectly
upgrade, but if you’re itching to add more things and want
them running faster (and let’s face it, we always want more
things running faster), there’s a good chance Raspberry Pi 5
will have what you want.
Critical Media
and Raspberry Pi
criticalmedia.co.uk
Head of Design
Lee Allen
Designers
Sam Ribbits, Sara Parodi,
Jack Willis
Photography
Brian O’Halloran
CONTRIBUTORS
Marc de Vinck, Andrew Lewis,
Thomas Burns, Rob Miles
PUBLISHING
Publishing Director
Brian Jepson
brian.jepson@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
BEN EVERARD
Editor
Got a comment,
question, or thought
about HackSpace
magazine?
SUBSCRIPTIONS
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Kelvin Lane, Manor Royal,
Crawley, West Sussex, RH10 9PE
To subscribe
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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 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
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Contents
06
06
18
20
06
23
24
36
44
SPARK
Top Projects
Big or small, you build them all
LENS
Raspberry Pi Projects
Put the new computer to use
Objet 3d’art
A 3D-printed turntable for your tunes
How I Made:
Alexatron
A beautiful mecanum-wheeled robotics project
Letters
Our wireless headphones have disturbed some
Interview:
Jeff Geerling
Progress, open source, automation, and more
Cover Feature
Tutorial
Laser cutting
Raspberry Pi
Projects
64
Teach a K40 laser cutter to speak
proper G-code
24
4
36
CONTENTS
74
Tutorial
Linkages
82
Crowdfunding
InvenTABLE
70
53
54
58
64
70
74
Design and 3D-print mechanisms to turn
motion into different motion
96
81
82
88
90
94
96
CAD (Cardboard Aided Design) just
got even more professional
FORGE
SoM
Synthio
Make music on a Raspberry Pi Pico
FIELD TEST
Best of Breed
Extract data from black and white lines
Tutorial
Pico
Build a simple true-or-false game with a Pico
Review
Prusa input shaper
The Prusa MK4 gets an upgrade
Tutorial
Laser cutting
Upgrade your K40 with LightBurn
Review
LibrePCB
Design software for those who love to make PCBs
Tutorial
3D printing
Design and 3D-print mechanical linkages
Review
Kaluma
JavaScript for RP2040 devices
Tutorial
Active power monitor
Keep an eye on how much your heating costs
Crowdfunding
InvenTABLE
A sharper, cleaner way to cut cardboard
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 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. HackSpace mag-
azine is published monthly by Raspberry Pi Ltd, Maurice Wilkes Building, St. John’s Innovation Park, Cowley Road, Cambridge, CB4 0DS, United Kingdom. Publishers Service Associates, 2406 Reach Road, Williamsport,
PA, 17701, is the mailing agent for copies distributed in the US and Canada. Application to mail at Periodicals prices is pending at Williamsport, PA. Postmaster please send address changes to HackSpace magazine
c/o Publishers Service Associates, 2406 Reach Road, Williamsport, PA, 17701.
5

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