Open Smart Security Cam 98
Free yourself from the corporate camera cloud with
this private, motion-detecting, notification-sending
Raspberry Pi/Arduino mash-up.
DIY Fingerprint Scanning Lock 104
Add some real biometric security to your doors and
drawers, using an Arduino, a solenoid lock, and an
optical fingerprint sensor.
Toy Inventor’s Notebook:
Mini Glowboard 108
Make a little light-up message board that gleams
in the dark.
HALLOWEEN HACKS
En Fuego! 110
Add awesome smoke and fire effects to this realistic
Ghost Rider — or any costume — using an e-cig and
flickering flame LEDs.
1+2+3: Floating Specter 113
Build a 10-foot-tall spooky ghost costume and ride a
Segway or hoverboard to glide through the shadows.
Edible Eyeballs 114
Elevate your spooky libations with these easy treats
made from shiratama sweet rice flour.
Cursed Objects 116
Jumpstart the season with motion-sensing scare
props, monster house toppers, and a bike-riding
skeleton.
SKILL BUILDER
Making Calculus With Lego 118
Use the venerable building bricks to intuitively
learn and demonstrate key calculus concepts.
Speed Up Your 3D Prints 122
Change a single slicer setting to save hours on
your long 3D prints.
TOOLBOX
Toolbox 124
Gear up with the latest tools and kits for makers.
THE LAST WORD
The Humpbacks of Notre Dame 128
Combining science fiction and climate advocacy,
this pedal-powered racer takes first place.
Adobe - top vectors, André Morin, Andrew Lamb, Paul Smith, Debra Ansell, Douglas Arensberg, Mike Warren, Bryan Harper
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