HC-SR501 is a low-cost sensor that can detect the presence of humans or animals by sensing the Infrared Radiation coming out of the body. It can also distinguish between object movement and human movement
HC-SR501 is a low-cost sensor that can detect the presence of humans or animals by sensing the Infrared Radiation coming out of the body.
Its sensitivity can be controlled by sensitivity control potentiometer and it also has an onboard signal conditioning circuitry and Fresnel Lens to improve its field of view.
It is used in Motion Activated lights
Specification
Supply Voltage 5V
Wide range on input voltage varying from 4.V to 12V (+5V recommended)
Output voltage is High/Low (3.3V TTL)
Infrared Sensor with Control Circuit Board
The Sensitivity and Holding Time Can be Adjusted
Can distinguish between object movement and human movement
Can cover 120° and 7m range
Low power consumption 65mA
Temperature Range -20°C to 80°C
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