HC-SR505, as the name suggests, is a mini PIR (Passive Infrared) motion sensor module used to detect the movement of an object in front of it.

The device works based on infrared technology and can automatically control on its own with high sensitivity and high reliability. Thanks to the minimum size and low power consumption, it is widely used in battery-powered applications.

HC-SR505 PIR Motion Sensor Module Specifications:

• Working Voltage: 4.5V – 20V
• Output: 3.3V or 0V
• Viewing Distance : 3 meters
• Induction Angle: 100° cone angle
• Working Temperature : -20°– +80°
• Sensor Lens Diameter: 10mm
• Wide Operating Voltage Range
• Small size
• Low power consumption
• Automatic control,
• Dimensions: 23mm x 10mm