In the microcontroller era today, Arduino is more than just a tool ... is used to measure the light level. The alarm system is triggered when a “Logic High (H)” level signal is detected at its sensor ...

Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

[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 ...

As a preview of his latest book, Arduino Project Handbook: 25 Practical Projects to Get You Started, Mark Geddes takes us through the project to create a simple laser trip wire alarm ... Station”) and ...

When something passes in front of a PIR sensor it ... Connects to Arduino +5 PIR Pin “-” connects to Arduino gnd Other side of 10K Resistor connects to PIR Pin “Alarm” PIR Pin “Alarm ...

If like me you sometimes find it a little hard to get out of bed in the morning and would like to make it a little more fun, you may be interested in a new Arduino Nerf target alarm clock which ...

If you want to keep an eye on your home—whether you're worried about burglars or just worried about the dog getting into places it shouldn't—this super simple DIY alarm will send you an SMS ...