It uses Doppler radar technology, with auto-sensing capabilities to control other product,High sensitivity, sensor distance, reliability, wide angle sensor,Wide supply voltage range and other characteristics. Widely used in lighting situations,anti-theft alarm situations.
Features : - Microwave sensors using planar antenna and receiving echo. - The switch is active sensors. - The sensors emit a high-frequency electromagnetic waves and receives their echo. - The sensors detect changes within echo. - The sensors detect tiny movement in detect range. - Send signal to MCU and execution instruction. - Signals are likely to be detected through the door, glass and thin walls. - It will get best probe result if person or object when moving toward the sensor. - This product is a strong anti-jamming capability, almost without wind, heat and other environmental factors foreign interference
Spesifications : - Working voltage: 3.3-20VDC; - Standby quiescent current: <3mA; - Transmit power: <2mW; - The working environment temperature: -20°~+80°; - 5. Trigger: Repeat Trigger (default); - The output signal: TTL level; high->3.3V/Low->0V; - Detection angle: 360°(spherical) no dead ends; - Detection range: 6-9 meters (when ordering optional). The default setting 8 meters; - Working delay: 1 second to hundreds of seconds, the default setting 30S;
Notice : - It is better away from wall about 3-4 meter.against get sensor from another side of wall; - Open areas more responsive