{"product_id":"hc-sr04-ultrasonic-sensor","title":"HC-SR04 Ultrasonic Sensor","description":"\u003cp\u003eThe ultrasonic distance sensor is a non-contact ranging module widely used in robotics, automation, obstacle detection, and STEM learning. It measures distance by transmitting an ultrasonic pulse and timing the returning echo from a nearby object.\u003c\/p\u003e\n\u003cp\u003eThe sensor can be connected to Arduino, ESP32, and many other microcontrollers using simple trigger and echo signals. Common applications include obstacle-avoiding robots, parking-assistance prototypes, liquid-level experiments, object detection, and distance-measuring projects.\u003c\/p\u003e\n\u003cp\u003eBecause it can detect objects without physical contact, it is a practical and beginner-friendly sensor for many robotics and automation applications.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003cbr\u003e• Non-contact distance measurement\u003cbr\u003e• Uses ultrasonic echo timing\u003cbr\u003e• Trigger and echo interface\u003cbr\u003e• Useful for obstacle avoidance and level sensing\u003c\/p\u003e","brand":"OPSTA STORE","offers":[{"title":"Default Title","offer_id":55417121014079,"sku":null,"price":119.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/9111\/0463\/files\/ultrasonicsensor.jpg?v=1789208669","url":"https:\/\/shop.opsta.in\/products\/hc-sr04-ultrasonic-sensor","provider":"OPSTA STORE","version":"1.0","type":"link"}