Make Magazine, Issue 70

• Publisher: Make: Community
• Year: 2019
• Category: Library

✦ Synopsis

Please visit the Maker Shed to subscribe to Make Magazine and buy cool kits and other maker essentials!

WE CAN’T QUIT YOU

CONTENTS

COLUMNS
Reader Input 04
Notes from readers like you.

Welcome: Shape Our Future Together 07
It’s good fortune to have others pick you up when you’re down.

Made on Earth 08
Backyard builds from around the globe.

FEATURES
DIY Science 16
Public Lab is working to build a healthier and more equitable world through community science, open technology, and environmental justice.

Economia Circolare 28
Italians designs for a carbon-free future at Maker Faire Rome.


SPECIAL SECTION:
THE OUTSIDERS
The Outsiders 32
Why lock yourself indoors when there’s so much building to be done outside?

Mock Yacht 34
Explore the seven seas in this just-barelyone-person motorboat.

Smart Bird Feeder 46
Use machine learning to identify different bird species and deter squirrels with the Coral Dev Board.

Longboard CNC SUP 52
Use a CNC router to build a beautiful, hollow wooden stand-up paddleboard.

Surf Stand 62
Assemble this surfboard rack to keep your quiver clean and clear.

Pedal to the Medal 63
Traversing sand dunes and bay waters, the 3-day, human-powered Kinetic Race celebrates 50 years with 50 miles of grueling and hilarious ingenuity.

#vanlife 64
Why be constrained to just one campsite? Convert a van, pack up your gear, and the whole world becomes yours to explore.

Backyard Pump Track 66
Design and build your own mountain bike track for riders of all skill levels.

Aluminum Whistle 70
Impressive and easier than it looks, it’s perfect for outdoor adventures or gift giving.

ON THE COVER:
Developed by maker Rongzhong Li, NybbleCat is an open source quadruped robot kit that walks, waves, reacts to commands, and looks super cute doing it.
Artwork: Rongzhong Li

Be Prepared 74
Get the most out of your camping trip with these clever projects.

PROJECTS
Get Nybbled! 76
Build a true quadruped, walking robot kitten with the free OpenCat framework running on an inexpensive Arduino.

Makey Is Real! 84
Build our biped mascot with all-new articulated arms and head, plus all the dance moves of the popular Otto platform.

DIY Robocars: So Ready to Rumble 90
Build an affordable, autonomous racer that can (finally?) beat human drivers.

Soap Vomiting Unicorn! 94
Hack a cheap automatic soap dispenser to build your own wash-time buddy.

DIY Inflatable Car 100
How one maker built an amphibious vehicle from hacked power tools.

Amateur Scientist: In Your Face 106
Measure your face’s exposure to UV rays with a “Sunny Sam” dummy.

Play That Funky Music 112
Turn a vintage radio into a lo-fi guitar amp.

SKILL BUILDER
BIG Printin’ 118
Chop up your designs when you need something bigger than your bed.

Cut and Paste 122
Make a cardboard attachment guide for your classroom to help inspire great builds.

TOOLBOX
Toolbox 124
Gear up with reviews of the latest tools and kits for makers.

SHOW & TELL
Show & Tell 128
Dazzling projects from our inventive readers. Make: Community