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Puzzle Box - With Changeable Combination
As a working locksmith for over 45 years I will disagree with your comment about the material keys are made from. The vast majority of key blanks are brass or nickel plated brass. Some are nickel silver. The fancy painted keys for the hardware store or WalMart may be aluminum. Most locksmiths will refuse to cut steel keys because it damages the cutter. If the cut part of the key is yellowish in color then it is brass.
Wifi Controlled Roving Webcam!
Laser Cut Hometown Map, a Great Sentimental Gift.
Easy Generator to Home Hook Up
VHF-UHF RF Sniffer
An Almost Reliable, High Precision, 3D Printer: Son of MegaMax (SoM)
Plastic Bottle Mosquito Trap
An SK450 Dead Cat Quadcopter to Call Your Own
RFID cat door
Arduino Chicken Coop Controller
Automatic Chicken door opener
Simple metal detector
Rain Barrels, Chicken Coops, and Solar Panels
Duane Reade Loyalty Card Reuse Guide
Intro to RFID
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