Present consists of just a PIR sensor and Arduino in a 3D printed enclosure to snap onto your monitor.

There’s also a PIR sensor controller IC and its associated components that give a TTL-level output if an object is detected. The module has a three-pin interface header (VCC/OUT/GND) and two trimpots ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

You’ve obviously heard of the Arduino boards and how they’ve revolutionised hobby electronics. Here’s a little primer to get you started.

Present consists of just a PIR sensor and Arduino in a 3D printed enclosure to snap onto your monitor.

Our PIR sensor needs three connections to work: VCC (5V), Out and Ground (GND). To connect our sensor to the Raspberry Pi, we need to use female to female jumper cables.