{"product_id":"10pcs-ultrasonic-sensor-blocks-module-kit-hc-sr04-distance-sensor-module-with-4pcs-mounting-bracket-compatible-with-mega-r3-duemilanove-nano-rapsberry-pi-3-robot","title":"10Pcs Ultrasonic Sensor Blocks Module Kit HC-SR04 Distance Sensor Module with 4pcs Mounting Bracket Compatible with Mega R3 Duemilanove Nano Rapsberry Pi 3 Robot","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eQuality -- Power Supply : 5V DC ; Quiescent Current : \u0026lt;2mA ; Effectual Angle: \u0026lt;15 degree ; Detection Distance : 2cm~450 cm ; Resolution : 0.3 cm.\u003c\/li\u003e\n\u003cli\u003eOperating Principle -- Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit.\u003c\/li\u003e\n\u003cli\u003eHC-SR04 ultrasonic sensor module -- Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object, the duration of the signal is the time from sending ultrasonic to returning.\u003c\/li\u003e\n\u003cli\u003eTest Distance Formula -- The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse,hc-sr04 test distance following formula -- L = 1\/2 × T × C ( L is the distance, T is the time between the emission and reception, and C is the sonic speed )\u003c\/li\u003e\n\u003cli\u003ePackage Include -- 10 X HC-SR04 ultrasonic sensors , 10 X female-male cables , 10 X female-female cables , 4 X HC-SR04 mounting bracket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber Of Contacts:\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Bracket Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e 10 kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DORHEA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 5 volts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber Of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e DORHEA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DORHEA","offers":[{"title":"Default Title","offer_id":52564269039836,"sku":"B0BZRSW1N2","price":21.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/51pAmIwrjYL.jpg?v=1790132281","url":"https:\/\/stemora.us\/products\/10pcs-ultrasonic-sensor-blocks-module-kit-hc-sr04-distance-sensor-module-with-4pcs-mounting-bracket-compatible-with-mega-r3-duemilanove-nano-rapsberry-pi-3-robot","provider":"Stemora","version":"1.0","type":"link"}