The HC-SR501 PIR Motion Detector Module is a popular and reliable passive infrared sensor designed to detect motion based on changes in infrared radiation from moving objects, especially human bodies. It’s ideal for use in security systems, automatic lighting, energy-saving devices, and smart home applications.
Equipped with adjustable sensitivity and delay time, this module offers flexibility and precision. It features a wide detection range and low power consumption, making it perfect for battery-operated or always-on setups. The module outputs a HIGH signal when motion is detected, which can easily be read by microcontrollers like Arduino, Raspberry Pi, or other development boards.
Now available at MICROSPARK – Your Trusted Electronic Component Shop.
Key Features:
- Operating Voltage: 4.5V – 20V
- Detection Distance: 3 to 7 meters (adjustable)
- Detection Angle: ~120°
- Output: Digital HIGH (motion) / LOW (no motion)
- Delay Time: Adjustable (0.3 – 300 seconds)
- Sensitivity: Adjustable
- Trigger Mode: Single or repeatable
- Power Consumption: Low (standby current <50µA)
- Module Dimensions: ~32mm x 24mm
Applications:
- Motion-activated lighting systems
- Security alarms and intrusion detection
- Smart home automation
- Energy-efficient devices
- DIY electronics and robotics
