PIR Motion Sensor HC-SR501

The PIR modules have a passive infrared sensor that detects the occupancy and movement from the infrared radiated from human body. You can use this module in security systems, smart lighting systems, automation, etc. There are different PIR modules available in the market, but all of them are basically the same. They all have at least a Vcc pin, GND pin, and digital output. In some of these modules, there is a ball like a lens on the sensor that improves the viewing angle.

Manufacturer Part No.: HC-SR501
Datasheet: Click Here
RoHS: Yes

Specifications
Working Voltage: 4.5V to 20V (+5V recommended)
Output: High 3.3V , Low : 0V
Detection angle: 110 Degrees with in 3 to 7meters
Trigger Method: L: unrepeatable trigger / H: repeatable trigger
Tutorial: Click Here
Tutorial: Click Here