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HC-SR501 PIR Motion Sensor Module

SKU: EAP-000009

In stock

  • PIR Sensor Applications
  • Automatic Street/Garage/Warehouse or Garden Lights
  • Burglar Alarms
  • Security cams as motion detectors
  • Industrial Automation Control

4,200 Ks

In stock


The PIR sensor stands for Passive Infrared sensor. It is a low cost sensor which can detect the presence of Human beings or animals. This sensor has three output pins Vcc, Output and Ground as shown in the pin diagram above. Since the output pin is 3.3V TTL logic it can be used with any platforms like Arduino, Raspberry, PIC, ARM, 8051 etc..

The module can be powered from voltage 4.5V to 20V but, typically 5V is used. Once the module is powered allow the module to calibrate itself for few minutes, 2 minutes is a well settled time. Then observe the output on the output pin. Before we analyse the output we need to know that there are two operating modes in this sensor such as Repeatable(H) and Non- Repeatable(L) and mode. The Repeatable mode is the default mode.

Wide range on input voltage varying from 4.V to 12V (+5V recommended)
Output voltage is High/Low (3.3V TTL)
Can distinguish between object movement and human movement
Has to operating modes – Repeatable(H) and Non- Repeatable(H)
Cover distance of about 120° and 7 meters
Low power consumption of 65mA
Operating temperature from -20° to +80° Celsius

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