PIR Motion Detection Sensor - PIR MODULE HC-SR501
The PIR Motion Sensor Module detects movement by sensing infrared (IR) radiation from human bodies and animals. It’s widely used in home automation, security systems, and IoT projects, and works seamlessly with Arduino, ESP8266, ESP32, and Raspberry Pi platforms.
₹ 61
₹ 99
| : | |
| Made In : | India |
The HC-SR501 PIR Motion Sensor Module is a widely used passive infrared (PIR) sensor that detects motion by sensing infrared radiation changes caused by human or animal movement. It is commonly used in security systems, automatic lighting, and smart IoT projects. The module is highly sensitive, low power, and easy to interface with Arduino, ESP32, and other microcontrollers.
Key Features
- Detects human/animal motion using infrared radiation
- Adjustable sensitivity and delay time
- Low power consumption (ideal for battery projects)
- Stable and reliable detection performance
- Digital output signal (HIGH/LOW)
- Easy interface with microcontrollers
- Built-in Fresnel lens for wider detection range
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Passive Infrared (PIR) |
| Model | HC-SR501 |
| Operating Voltage | 5V – 20V DC |
| Output Type | Digital (HIGH/LOW) |
| Detection Range | 3m – 7m (adjustable) |
| Detection Angle | ~120° |
| Delay Time | Adjustable (few seconds to minutes) |
| Trigger Modes | Repeatable / Non-repeatable |
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