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!

Using motion detectors and an Ardunio you can add a little ... Here is the Arduino code for the Parallax sensor. int motion_1 = 2; int light_1 = 13 ... PIR Pin “Alarm” connects to Arduino ...

All you need is an Arduino, a motion sensor, a few wires and headers, and the code provided at the site below. Hit the link to see step-by-step instructions on how to put it together.

While PIR sensors can be used with Arduino and other microcontroller boards, those best-suited for hobby use are smart enough to perform simple tasks without any programming.

It should be a piece of cake if you program your Attiny85 chip (not Digispark) using your existing Arduino IDE with the help of one “USB tiny ISP (v2.0)” programmer. The software/Arduino sketch /* * ...

How to DIY a motion sensor night light. This clever hack means no more stubbed toes in the middle of the night. by Vox Creative. Jul 10, 2018, 7:03 PM UTC.

The sensor shown here is essentially two plates mounted side-by-side, attached to an Arduino Nano using the Capacitor library which uses just two pins, one digital and one analog.

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