
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 ghos ...