{"product_id":"4pcs-hc-sr04-ultrasonic-distance-sensor-modules-with-brackets","title":"4PCS HC-SR04 Ultrasonic Distance Sensor Modules with Brackets","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【Accurate Non-Contact Measurement】Measures distance from 2–400 cm with typical accuracy up to ±3 mm. Uses 40 kHz ultrasonic sound waves for stable and precise detection without physical contact.\u003c\/li\u003e\n\u003cli\u003e【Complete 4-Pack Kit】Includes 4 HC-SR04 sensor modules, 4 mounting brackets, 4 screw sets, jumper wires (male-to-female \u0026amp; female-to-female), and a reusable storage case for easy organization.\u003c\/li\u003e\n\u003cli\u003e【Simple Integration \u0026amp; Control】Standard 4-pin interface with 10 μs TTL trigger input and echo output. Compatible with common 5V and 3.3V microcontroller boards (level shifting may be required).\u003c\/li\u003e\n\u003cli\u003e【Low Power \u0026amp; Reliable Performance】Operates at DC 5V with approx. 15 mA current. Stable output with approx. 15° beam angle, suitable for continuous real-time distance tracking.\u003c\/li\u003e\n\u003cli\u003e【Wide Applications】Ideal for robotics, obstacle avoidance, parking assist, liquid level detection, object measurement, and STEM\/educational projects. Note: This product uses ultrasonic sound waves and does not emit radio frequency (RF) signals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Usdrwam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem dimensions L x W x H:\u003c\/strong\u003e 1.75 x 1.6 x 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Modern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 15 milliamps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Supply Voltage:\u003c\/strong\u003e 5 volts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Usdrwam","offers":[{"title":"Default Title","offer_id":52560911466716,"sku":"B0FJ7Z9ZML","price":10.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/51HCDEwI8aL.jpg?v=1790070677","url":"https:\/\/stemora.us\/products\/4pcs-hc-sr04-ultrasonic-distance-sensor-modules-with-brackets","provider":"Stemora","version":"1.0","type":"link"}