There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

will allow you to set up a chime that will trigger if the door is rattled. If your security system works with third-party accessories, you can link your Arduino alarm to that system and let it ...

Do it yourself garage door ... Security through obscurity! [Giles] is smarter than that. He instead implemented a challenge handshake authentication mechanism between the Python script and the ...