![]() | James Bond Style Wireless Door Lock
Remote locking is quite common for automobiles, not so common for doors. This James Bond-ish home security system uses a coded signal from the wristwatch to the electronic box on the door to lock and unlock the door. Far more stylish than a... |
| | How to: DIY Laser Security Systems
You always see sophisticated laser systems in movies, but those are super expensive, right? Nah, with a simple red laser and a photocell, DIY laser security is simple. There are a few different ways to setup your system and we'll walk you... |
![]() | How to: Personal Surveillance Spy Robot
The BlackFin Surveyor is an open source Wireless Mobile Robot comes fully assembled for use in research, education, and exploration at home. For example, it can be a robotic guardian around your house via the internet. Or you could make things... |
![]() | Build a DIY Secret Bookcase Doorway
Ever wanted that secret place in your house that only you and you family know about? Hell yes! Believe it or not, it's actually not that hard. In fact, all you need is a spare bookcase and some basic hardware and electronic components. We've... |
![]() | Make a DIY Sonar System using Arduino
Learn how to build a robot with built in visual sonar using sensors, an arduino, and Processing. The author supplies the code for Processing, an easy to learn programming tool for visualization. Processing gathers the sonar data from the... |
![]() | Free Professional Grade Webcam Security Software
The problem with most motion detection software for personal or business use it that they're triggered by a leaf, animal, or other insignificant events. Vitamin D, on the other hand, can detect movements of people, doors opening and closing,... |
| | 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... |
![]() | Wireless DIY Halloween Surveillance Pumpkin
We have dozens of DIY home security projects and here's another outstanding project to add to the collection. Learn to build your own DIY Halloween pumpkin with a built in wireless surveillance camera so you can watch for vandals or have... |
![]() | DIY Motion-Sensing Laptop Security Cam
Securing our privacy is important to everyone. We've featured dozens of DIY security projects in the past including a spy van, money stash, and hidden passageways but this one doesn't even require any additional hardware if you've got a webcam... |
![]() | Remote Surveillance Spy Vehicle/Office Unit
Our loyal reader, Rich, posted this awesome tutorial about making a surveillance spy van. If you've seen any mystery or action movie, you've seen a van stuffed full of fancy electronics and spy equipment. Now learn to make your own. Our project... |








































