HC-SR505 PIR Motion Sensor

The HC-SR505 is a miniature passive infrared (PIR) motion sensor module designed for motion detection in various applications. It is commonly used in security systems, lighting control, and automation projects. This sensor is compact, easy to use, and provides reliable motion detection capabilities.

Specificatoins of HC-SR505 PIR Motion Sensor:

• Operating Voltage: 4.5V to 20V DC
• Standby Current: < 60µA
• Output Voltage: 3.3V (TTL compatible)
• Detection Range: Up to 3 meters (adjustable)
• Detection Angle: Approximately 120 degrees
• Time Delay Adjustability: 5 seconds to 300 seconds (5 seconds default)
• Trigger Method: Repeatable and Non-repeatable
• Dimensions: 40mm x 11mm
• Weight: Approximately 5 grams

Features of HC-SR505 PIR Motion Sensor:

• High Sensitivity: The HC-SR505 PIR sensor module offers high sensitivity to detect even subtle motion within its detection range.
• Adjustable Settings: Users can customize the sensor's time delay and detection range according to their specific application requirements.
• Low Power Consumption: In standby mode, it consumes minimal power (less than 60µA), making it suitable for battery-powered applications.
• Easy Integration: The module provides a 3.3V TTL-compatible output, simplifying interfacing with microcontrollers and other digital circuits.
• Compact Design: Its small size and lightweight design allow for easy integration into various projects.
• Usage Tip:
• When connecting the HC-SR505 to a microcontroller, use a voltage divider or level shifter to interface the 3.3V output with 5V logic if necessary.
• Adjust the time delay and sensitivity settings to match your project's requirements.
• Caution:
• Ensure proper power supply voltage and polarity to prevent damage to the sensor.
• Avoid exposing the sensor to direct sunlight or heat sources, as this can affect its accuracy.
• Consider mounting the sensor on a stable surface to prevent false detections caused by vibrations or movement of the sensor itself.