HC-SR501 is based on infrared technology, automatic control module, using Germany imported LHI778 probe design, high sensitivity, high
reliability, ultra-low-voltage operating mode, widely used in various auto-sensing electrical equipment, especially for battery-powered automatic
controlled products.
Specification:
? Voltage: 5V – 20V
? Power Consumption: 65mA
? TTL output: 3.3V, 0V
? Lock time: 0.2 sec
? Trigger methods: L – disable repeat trigger, H enable repeat trigger
? Sensing range: less than 120 degree, within 7 meters
? Temperature: – 15 ~ +70
? Dimension: 32*24 mm, distance between screw 28mm, M2, Lens dimension in diameter: 23mm