Motion Sensor ES-P19A 360 Degree PIR Motion Sensor Switch, ES-P19A Long distance wide detection angel PIR sensor light switch temperature sensor for ceiling light pc material saving-enegy switch(low consumption) wide used and very convenient MODEL ES-P19B DETECTION RANGE 6M DETECTION ANGLE 360° POWER SOURCE 110V-130V/AC 220-240V/AC POWER FREQUENCY 50/60HZ RATED LOAD 800W(110-130V/AC) 1200W(220-240V/AC) TIME SETTING 5sec-10 ± 2min WORKING HUMIDITY <93%RH WORK TEMPERATURE -10 ° C~+40 ° C INSTALLING HEIGHT 2m-4.5m Packaging & Shipping PACKAGING DETIAL one gift box per piece, 50pcs one carton(adjustable) By sea/air(avaible) N.W/G. Buy these products at the most affordable prices by exploring the various ultrasonic motion sensor ranges at Alibaba.com. | Suppliers If you want to measure or detect things like smoke and clouds, you will need to use something else, perhaps a microwave doppler radar. After logging in you can close it and return to this page. The ultrasonic sensor we are using has a range of up to 20 ft. This type of detector is fairly complex and often includes a programmable microcontroller. In the setup() function, we initialize the Serial monitor, and set pin 13 to be the output and pin 12 to be the input. Security systems around the world rely ubiquitously on motion sensors to activate alarms and/or switch on automatic lighting, and they are frequently positioned at points of relatively easy ingress to a building, such as windows and main doorways. The setup is ready, we used ultrasonic sensor hc-sr04… To save energy, microwave sensors can be calibrated in such a way that they only send out a pulse of waves for monitoring if initially activated by the PIR. To switch an LED on and off, these transistors will work fine. Solar motion sensor lights ultrasonic sensor for Home Appliances High Temperature proximity sensors, Wholesale Multi-Technology PIR/Ultrasonic Occupancy Motion Sensor MWOS, Zwave ultrasonic motion sensor 5.8G microwave motion sensor, Hight Quality 3.3-5V HC-SR04 SR04 HC-SR04 ultrasonic ranging module smart car ultrasonic sensor module, Infrared sensorInfrared detectorInfrared motion sensor, Microphonics occupancy sensor micro motion sensor, Factory Discount Hot Selling Zwave Ultrasonic Motion Sensor, 12V 24V led light pir motion sensor switch Human Sensor Switch PIR Motion Sensor Switch, Adjust IR Pyroelectric Infrared PIR HC-SR501 Sensor Module HC-SR501, HC-SR501 Adjust IR Pyroelectric Infrared PIR Module Motion Sensor Module, WT34-V210 Ultrasonic Original Germany Photoelectric Switch SICK sensor, AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312, OEM/ODM PIR Ceiling Occupancy Motion Sensor Detector Light Switch, Safe Detector 24.125GHz Radar Sensor / microwave sensor, Ceiling mount Occupancy Vacancy PIR Motion Sensor Auto on/off Light Switch, Reliable quality LWH motion sensor transducer price, AM312 Miniature Human Body Pyroelectric Micro Infrared Motion Module PIR Sensor HC-SR312, SR602 Mini Infrared PIR Motion Sensor Detector Module Pyroelectric human body sensor switch, HC-SR312 Micro Human Body PIR Sensor Pyroelectric Infrared Module AM312, New Blue HC-SR501 Adjust IR Pyroelectric Infrared PIR module Motion Sensor Detector Module, High Quality Mini PIR Motion Sensor Detector for 12V DC Timer Relay Automotive Caravan Alarm. Or, you could use a proximity sensor to automatically open a door if a person is within a meter of the sensor. In the serial monitor below you can see how the transistor turned on when the distance changed from 172cm to 18cm. You can choose whichever output you want as long as you change it in the code. 55 x 25 x 35mm/ 2.17" x 0.99" x 1.38" Cable length sensor - controller Approx. Welcome to the comprehensive advanced ultrasonic motion sensor product line at Alibaba.com for tightened security and enhanced detection.