HC-SR505 Miniature PIR Sensor

Overview

This HC-SR505 is a passive infrared motion sensor. It can detect changes in the level of infrared radiation that will cause the module to function and detects motion.

HC-SR505 small human body sensing module is an automatic control product based on infrared technology , with high sensitivity, strong reliability, ultra-small size, and ultra-low voltage working mode. It is widely used in various automatic induction electrical equipment , especially automatic control products powered by dry batteries.

Specifications

• Supply Voltage: 4.5 V to 20 V
• Current: 60 uA
• Output: 3.3 V High / Low 0 V
• Trigger: reusable trigger (default)
• Delay: 8 s +/- 30%
• Distance: 3 meters
• Temperature: -20 °C to +80 °C
• Dimensions: 10 mm x 23 mm

Features

1. Automatic induction: when a person enters its sensing range, it outputs a high level, and when a person leaves the sensing range, it automatically delays to turn off the high level and outputs a low level.

2. Ultra small size.

3. Repeatable trigger mode: After the sensor outputs a high level, during the delay period, if a human body is active in its sensing range, the output will remain high until the person leaves. Change to low level (the sensing module will automatically extend a delay time period after detecting every human activity, and the time of the next activity is the starting point of the delay time).

4. Wide operating voltage range: The default operating voltage is DC4.5V-20V.

5. Micro power consumption: quiescent current <50 microamperes="" especially="" suitable="" for="" automatic="" control="" products="" powered="" by="" dry="" batteries="" p="">

6. Output high-level signal: It can be easily connected with various circuits.

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