Introduction: How to Use Pir Sensor Without Arduino

About: I make diy and electronics based projects.

In this instructables I will show you how to use pir sensor without arduino

Step 1:

Watch this video for more information

Step 2: Components Needed

1)pir sensor

2)bc 547 npn transistor

3)1n4007 diode

4)5v relay

Step 3: Circuit Diagram