HW1004 5M Ultra-small Infrared Digital Sensor Module Infrared Human Body Sensor Switch

HW1004 5M Ultra-small Infrared Digital Sensor Module Infrared Human Body Sensor Switch
sku: 1877322
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$2.49
Shipping from: China
   Description
Introduction HW 1004 Based on digital infrared technology automatic control products high sensitivity high anti interference strong stability widely used in various types of automatic sensor circuit system Such as toys digital photo frame security intrusion detection occupancy detection network cameras private alarm car burglar alarm TV refrigerator air conditioning sensor lights intelligent home control systems and so on Features 1 Digital signal circuit processing 2 Two way differential very high impedance sensor input 3 Special built in infrared sensor second order Butterworth bandpass filter shielding other frequency input interference 4 Power supply rejection ratio is high anti radio frequency interference 5 With sensitivity timing time light sensor Schmitt REL output 6 Low voltage low power consumption start working instantly 7 Automatic induction people into its sensing range is output high people leave the sensor range is automatically delayed high the output low 8 When the probe receives a pyroelectric infrared signal that exceeds the trigger threshold inside the probe a count pulse is generated internally When the probe receives this again like the signal it will be considered to receive a second pulse once within 4 seconds after receiving two pulses the probe will produce an alarm signal while REL pin has a high level trigger In addition as long as the received signal amplitude exceeds the trigger threshold of more than 5
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