An EMF detector lets you pick up on electromagnetic fields, a useful tool if you're into amateur ghosthunting. To make this, you will need some wire, a resistor, and an LED. You will also need an Arduino to use as a controller.
Keep Your Connection Secure Without a Monthly Bill. Get a lifetime subscription to VPN Unlimited for all your devices with a one-time purchase from the new Gadget Hacks Shop, and watch Hulu or Netflix without regional restrictions.
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Make an AC Arc Welder Using Parts from an Old Microwave, Part 1
How To:
Eavesdrop from a Distance with This DIY Parabolic "Spy" Microphone
How To:
Modify house clocks to run on solar power for five dollars
How To:
Hack a Hard Drive into a Hidden Flash Drive, Cell Phone Charger & More!
How To:
Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5
How To:
Make the Scariac (A Poor Man's Variable Power Controller)
How To:
Secretly record people with your own spy sunglasses
How To:
Make a Solar-Powered Fan Hat
How To:
Broadcast your own FM pirate radio station
How To:
Set up your own low powered FM pirate radio station
How To:
Hack your electricity meter
How To:
Hack into live, public security cameras and web cams
How To:
Hack Smart Cards for satellite TVs
How To:
Hack USB devices into parts for your electronics projects
How To:
Hack a coin operated laundry machine
How To:
Make an Infrared Mask to Hide Your Face from Cameras
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Make an AC Arc Welder Using Parts from an Old Microwave, Part 1
How To:
Eavesdrop from a Distance with This DIY Parabolic "Spy" Microphone
How To:
Modify house clocks to run on solar power for five dollars
How To:
Hack a Hard Drive into a Hidden Flash Drive, Cell Phone Charger & More!
How To:
Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5
How To:
Make the Scariac (A Poor Man's Variable Power Controller)
How To:
Make a Solar-Powered Fan Hat
How To:
Secretly record people with your own spy sunglasses
How To:
Broadcast your own FM pirate radio station
How To:
Set up your own low powered FM pirate radio station
How To:
Hack your electricity meter
How To:
Hack into live, public security cameras and web cams
How To:
Hack Smart Cards for satellite TVs
How To:
Hack USB devices into parts for your electronics projects
How To:
Hack a coin operated laundry machine
How To:
Make an Infrared Mask to Hide Your Face from Cameras
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
Be the First to Comment
Share Your Thoughts