COLUMNS
Welcome 06
What happens when your devices break up with you?
Made on Earth 08
Backyard builds from around the globe.
FEATURES
Struck Twice 12
When Covid killed ArcAttack’s live performances,
they pivoted to create a DIY musical Tesla coil kit.
Then the pandemic struck again.
Shop Tour: Nemo Gould 20
Take a peek inside the Oakland, California-based
artist’s workshop and his impressive collection of
tools and treasures.
MACHINE LEARNING
Deeper Learning 22
Level up your AI skillset and dive into the deep end
of TinyML — machine learning on microcontrollers.
Second Sense 32
Make a smart sniffer that can sort coffee from tea,
choose your favorite booze, or whatever else you
train it to smell!
The Swear Bear 38
Cute but evil, it listens for curse words — then
internet-shames you and your foul mouth.
Clean Up Your Act 44
Use Lobe and Raspberry Pi to build a machine-
learning rig that directs items to the right waste bin.
The Spaghetti Detective 48
Let AI watch your 3D printer’s every move and alert
you when it fails!
PROJECTS
Motion Animated NeoPixel Skirt 52
Make a light-up skirt with 120 hidden full-color
LEDs that respond to your movements.
Smart³ 60
Takashi Kaburagi made a Rubik’s Cube that can
solve itself. (Oh yeah, and it levitates.)
Digital String Art Portraits 68
Make an old craft new with algorithmic designs
that produce amazing artworks from thread.
sPot: The Spotify iPod 74
Hack a 17-year-old iPod to stream Spotify with the
most satisfying user interface — the click wheel.
Raspberry Pi Meteor Camera 82
Build your own fireball tracker and become a
citizen scientist in the Global Meteor Network.
Exploring the Microverse:
DIY Conservation Tech 88
Protect wildlife — or just learn your neighborhood
creatures — using mighty microcontrollers.
Remaking History: Galileo’s Sector 94
Make and use the simple but powerful
mathematical tool behind Renaissance art,
architecture, and artillery.
Next-Level Air Rockets 100
Chutes? Electronics? You can help design the
next upgrades to this popular rocket kit.
New From Make: Projects 102
See some of our favorite builds from
makeprojects.com — and share your own!
Toy Inventor’s Notebook:
Fun With Pop-Up Stamps 104
Re-create this trick postage stamp to make
pop-up toys and cards.
1+2+3 Arduino Borealis 106
Add some arctic ambience to your home with
these northern-esque lights.
1+2+3 Home Phone Fun 107
Assemble a simple intercom system using
your existing landline wiring.
SKILL BUILDER
Pixel Knitting 108
Hack a classic 1980s knitting machine to knit your
own patterns and photos, from simple image files.
Talk to the World 118
Amateur digital voice puts ham radio over the internet
to let you communicate clearly around the globe.
TOOLBOX
Toolbox 122
Gear up with the latest tools and kits for makers.
OVER THE TOP
Geeky Beach Gadgets 128
Even a relaxing day at the beach is a perfect
opportunity to deploy new builds and technology.
CONTENTS
Mélanie Duval, Takashi Kaburagi, Raphael Schaaf, 8 Bits and a Byte, Joe DiPrima, Martin Oehler, Adobe Stock - Buffaloboy
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