Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive ... whenever it detects a motion near the door or window of your house. The circuit is infact a dark activated ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...

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 ...

Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can be alerted any way you like when the door opens. The system here uses a cheap Arduino board, a few sensors ...

He’s constructed an Arduino ... damaging the door to mount it! Down the road he’s also planning on adding a knock sensor using the small speaker that is already part of the circuit, because ...

[IngGaro]’s latest project uses the full range of features available in this versatile microcontroller and has turned an Arduino Mega into a fully-functional home alarm system. The alarm ...