PIR Sensor HC-SR501 Motion sensor
Price in Sri Lanka

The Passive Infrared Sensor (PIR) sensor module is used for motion detection. It is often referred to used “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion” sensor. The module has an on-board pyroelectric sensor, conditioning circuitry and a dome shaped Fresnel lens. It is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically-activated lighting systems.

Specifications:-

• Color: White + Green OR  White + Blue
• Infrared Sensor with Control Circuit Board
• The Sensitivity and Holding Time Can be Adjusted
• Working Voltage: DC 5V
• Current Drain: <60uA
• Detection Range: <140°
• Voltage Output: High/Low level Signal: 3.3V TTL output
• Detection Distance: 3 to 7m (can be adjusted)
• Delay Time: 5 to 200s (Can be Adjusted, Default 5s +/- 3%)
• Blockade time: 2.5s (Default)
• Work temperature: -20-+80°C
• Dimension: 3.2cm x 2.4cm x 1.8cm (Approx)
• Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
• Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).