A RISC-V Revolution 42
Free and open-source silicon is poised to take
the maker ecosystem by storm.
The Replacements 46
Unsatisfied with back-orders for your favorite
Pi or Arduino? Consider these alternatives.
Build-a-Board Synth-Pop 47
Get an exclusive sneak peek at Arduino’s
back-to-basics Uno kit!
SPECIAL INSERT
Make: Guide to Boards 2022
Check out specs and hands-on reviews of the
latest microcontrollers, single-board computers,
and FPGAs — in dazzling augmented reality.
79 boards for you to compare!
PROJECTS
Pixelblaze Pillows 48
Use full-color LED strings and a Pixelblaze controller
to make these cuddly animated throws.
Waxed Canvas Tool Roll 56
Stitch a stylish and sturdy roll-up tool carrier that
will last for many tough jobs.
1+2+3: LED Pendant 61
Build a glowing, wearable circuit sculpture.
Power Through Thin Air 62
Learn how to transmit and receive audio signals
on an AM radio carrier wave.
LED Love! 70
Cover the LED basics and create amazing light
patterns with addressable LEDs and controllers
.
Pi Cam Speed Trap 76
Build a motion recorder that analyzes video to
catch speeding vehicles on your street.
Make a Mac Mini Mobile 84
Hack that powerful Mini M1 with an iPad Mini to
make a badass portable computer.
Kit Cards 86
Modern model method: 3D print the parts on an old-
school “sprue” then snap them off and build.
Mark Madeo, Timothy Hursley, Alpenglow Industries, Kevin Walseth, Debra Ansell, Becky Stern, Lee Wilkins, Scott Yu-Jan, Loyal Moses
The Fifth Dimension 88
Convert your 3D printer to 5-axis, and print
the impossible.
One-Shot Wonders 92
Design simple mechanisms with moving parts
that print in place — no assembly required.
Long-Distance Emoji Lamp 94
Build an interactive lamp that sends emojis to its
partner — miles away — using LoRa radio modules.
Remaking History: Christiaan Huygens and
the Pendulum Clock 100
Build the ingenious gravity-driven mechanism
that kept the world’s time for 270 years.
Electronics Fun & Fundamentals:
Analog Reborn 104
Before the digital revolution there was analog
computing — and it’s making a comeback.
Toy Inventor’s Notebook:
Bubble Plane 108
Rock crushes scissors, scissors cut paper —
but bubbles rule them all.
SKILL BUILDER
Find My: DIY AirTag Tracker 110
Understanding, (ab)using, and extending Apple’s
offline finding protocol.
RaZberry Rescue 118
Take control of smart home gadgets — and revive
those zombie bulbs — with a Z-Wave hat for
Raspberry Pi.
TOOLBOX
Toolbox 124
Gear up with the latest tools and kits for makers.
MAKER FAIRE AROUND THE WORLD
Maker Faire Hannover Returns 128
After a two-year hiatus, Maker Faire returned to
Hannover, Germany. Here are a few of our favorite
moments.
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