HC-SR501 PIR motion detector sensor adjustable range 7 m 5-20 V for Arduino

HC-SR501 PIR motion detector sensor

The HC-SR501 motion sensor module is a reliable device used for motion detection in alarm systems, home automation, and lighting. Thanks to its wide supply voltage range of 5 V - 20 V and output signal in the 0 V - 3 V range, the HC-SR501 is a versatile sensor suitable for many applications. It offers a detection range of up to 7 metres and a detection angle of below 100 degrees, enabling effective monitoring. The module operates over a wide temperature range, from −15 °C to 70 °C, making it suitable for use in various environmental conditions. It works excellently in projects for Arduino, for ESP8266, for ESP32, and for Raspberry Pi.

Key technical specifications

• Supply voltage: 5 V - 20 V
• Output voltage: 0 V - 3 V
• Detection range: up to 7 m
• Detection angle: below 100 degrees
• Operating temperature: −15 °C - 70 °C

Example applications

• Automatic lighting control in buildings
• Building amateur and professional alarm systems
• Home automation and smart building projects
• Presence detection in energy-saving systems
• Creating interactive installations with microcontrollers

Benefits

• Wide supply voltage range simplifies integration with many circuits
• High sensitivity and effective detection range ensure reliable operation
• Resistance to extreme temperatures allows use in various environments
• Simple interfacing with popular development platforms
• Versatility for hobbyist and commercial projects