Sunfounder PIR Sensor Module HC-SR501

• Sunfounder PIR Sensor Module HC-SR501
• Converts infrared ray signal into an electrical signal
• Based on infrared technology
• Provides high sensitivity and security
• Works under the extra-low voltage mode
• Automatic sensing electronic equipment

The Sunfounder PIR Sensor Module HC-SR501 is a kind of sensor that can convert the infrared ray signal emitted by human or animal into an electrical signal.

And HC-SR501 is an automatic control module based on infrared technology which has high sensitivity and security and works under the extra-low voltage mode. It is a common sight that the module is applied in a range of automatic sensing electronic equipment, especially in automatic control products powered by the dry battery.