{"product_id":"elegoo-5pcs-hc-sr04-ultrasonic-module-distance-sensor-kit","title":"ELEGOO 5PCS HC-SR04 Ultrasonic Module Distance Sensor Kit","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNON-CONTACT DISTANCE SENSING: Add object detection to robot navigation, parking-distance prototypes, automatic lids, counters and interactive projects; each HC-SR04 uses a 40 kHz ultrasonic burst and echo timing to estimate distance\u003c\/li\u003e\n\u003cli\u003e5-PACK FOR REPEATABLE PROTOTYPING: Use multiple HC-SR04 modules across builds, compare sensor positions or keep spares for testing and replacement; each module integrates an ultrasonic transmitter, receiver and control circuit\u003c\/li\u003e\n\u003cli\u003e5 V MODULE WITH 3-450 CM RANGE: Connect VCC, Trig, Echo and GND, use a 10 µs trigger pulse and measure Echo duration; resolution is 0.3 cm with an effective angle under 15°, while the controller board and external power source are not included\u003c\/li\u003e\n\u003cli\u003ePROTECT 3.3 V GPIO: The HC-SR04 operates from 5 V and its Echo output is 5 V, so use a voltage divider or suitable level shifting with 3.3 V inputs; keep the module dry and use it for prototyping rather than calibrated measurement\u003c\/li\u003e\n\u003cli\u003eFOR ROBOTICS \u0026amp; STEM PROJECTS: Suitable for distance measurement, object detection, automatic lids, parking alerts, robot navigation and other hands-on electronics builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ELEGOO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem dimensions L x W x H:\u003c\/strong\u003e 0.59 x 1.77 x 1.18 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e 9.07 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Supply Voltage:\u003c\/strong\u003e 5 volts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ELEGOO","offers":[{"title":"Default Title","offer_id":67597346210012,"sku":"B01COSN7O6","price":14.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/410UGdEPVsL.jpg?v=1790646609","url":"https:\/\/stemora.us\/products\/elegoo-5pcs-hc-sr04-ultrasonic-module-distance-sensor-kit","provider":"Stemora","version":"1.0","type":"link"}