Product description The HC-SR04 ultrasonic sensor uses sonar to measure distance to an object. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back. It has a focus of less than 15 degrees and an accuracy of about 2mm. Free shipping on many items | Browse your favorite brands ... Hyde Park SC300A400 Ultrasonic Sensor, Range: 4", 12-24VDC, M12 Barrel, 4-Pin. There's a problem loading this menu right now. Amazon.com : Animal Repeller Ultrasonic Repellent, Outdoor Electronic Pest Animal Control, with Motion Sensor For Repelling Raccoon Dogs Cats Chipmunk Deer Rabbits Birds, Nontoxic (animal repellent) : Garden & Outdoor ELEGOO Ultrasonic Sensor, HC-SR04 Ultrasonic Distance Sensor Kits for Arduino UNO MEGA2560 Raspberry Pi,Datasheet Available to Download 4.8 out of 5 stars 66. Yes, this Ultrasonic Module HC-SR04 Distance Sensor For Arduino is a great product that can be used for all Arduino Ultrasonic Module HC-SR04 Distance Sensor project and this product is worth buying so I give the Product a 5 star rating By Product_2_Us Read more. The built-in HDMI hub is very nice, we were able to get rid of the manual switch we hadBring your … After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. TRIG pinthis pin receives the control signal (pulse) from Arduino. Ultrasonic sensor. Reading HC-SR04 Ultrasonic Sensor’s Output To trigger the ultrasonic sensor, you’ll have to send a trigger pulse from your microcontroller using any io pin. It offers excellent range accuracy and stable readings in an easy-to-use package. FREE Delivery on your first order of items shipped by Amazon. Our ultrasonic sensors, like many others, use a single transducer to send a pulse and to receive the echo. HC-SR04 Ultrasonic Distance Sensor Module by Easy Electronics Keep innovating! $179.00. Installed at the top of your water tank, the transmitter unit measures the water level using an ultrasonic sensor and temperature using a thermo sensor. https://www.tutorialspoint.com/arduino/arduino_ultrasonic_sensor.htm To Our Colleagues, Customers, and Business Partners... 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