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Lock Hacks |
 | Secret Knock Detecting Door + Mechcanical Iris = Awesome!
Here's a superb DIY project which comes two outstanding hacks we've covered previously. It's a steampunk mechanical iris combined with the secret knock detecting door to create this unique garage door opener.
The brassy mechanical iris hides... |
 | Secret Knock Detecting Door Lock
Here's a fantastic project using an arduino, a motor, and a piezo sensor which allows you to both record and detect knocking patterns to unlock a door. The video below does a fantastic job of demonstrating how it works: It's completely mobile... |
 | Make a Dummy Alarm System
This Dummy Alarm project makes an LED flash briefly once every 5 seconds to imitate the indicator light of a real alarm. The circuit is designed to use very little current to prolong battery life so that it can be left on permanently. An on/off... |
