This is a very easy tutorial - all you need is a chosen sound effect file (like a creepy growling animal or a person screaming) and a sneaky sound system. Play it during the middle of the night and freak out your friends.
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Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Turn a Webcam and Phone into a Security Spy System
How To:
Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Make an AC Arc Welder Using Parts from an Old Microwave, Part 1
How To:
Satisfy Your Need for Speed with This DIY Arcade-Style Racing Cockpit
How To:
Build a power supply for electroluminescent (EL) wire and displays
How To:
This DIY Illuminated Isomorphic Keyboard Changes Colors as You Play Music
How To:
Turn a laptop touch pad into a mini graphics tablet
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
How To:
Hack a Sony Handi-Cam to be able to film in infrared
How To:
Hack Christmas Lights for Custom Holiday Lighting Patterns
How To:
Hack a satellite dish into a WiFi signal booster
How To:
Turn an Automatic Air Freshener Dispenser into a Silly String Launcher
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Add Inductive Charging Capabilities to a Samsung Galaxy Nexus, Note 2, and Other Android Devices
How To:
Increase the range of a remote control
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Make a DIY hologram illusion with a monitor
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