Description

This is a low-cost sensor uses passive infrared sensing technique to detect movements of both living things and non living things, by the change in heat gradient or heat signature. You can use this module for automation projects such as burglar alarm, automatic gate, air ventilation system, etc.

Features

• Operating voltage : 4 – 12V (5V recommended)
• Output voltage : 3.3V
• Output type : Digital
• Can distinguish between object movement and human movement
• Has to operating modes – Repeatable(H) and Non- Repeatable(H)
• View angle : 120?
• Range of detection : 7 meters
• Current consumption : 65mA
• Operating temperature : -20 to +80?C

Wiring

( Source : https://lastminuteengineers.com/pir-sensor-arduino-tutorial/ )

Attachments?

• Tutorial with code : How HC-SR501 PIR Sensor Works & Interface It With Arduino – LastMinuteEngineers
• Details of HC-SR501 – Component101