Give your robotics projects the power to “see” their surroundings. The HC-SR04 Ultrasonic Sensor is the undisputed champion of distance measurement in the STEM and maker communities. By emitting high-frequency sound waves and calculating the time it takes for the echo to return, this module allows your microcontrollers to detect obstacles with incredible precision—down to 3 millimeters!
As an IIT Bhubaneswar-incubated startup, XROBOTICS WORKS integrates the HC-SR04 into almost all of our foundational curriculum kits. It is the core hardware behind classic projects like the Obstacle-Avoiding Rover, the Automated Smart Dustbin, and remote IoT water-tank level monitors. Featuring a simple 4-pin interface (VCC, Trig, Echo, GND), it is entirely plug-and-play with the Arduino Uno, ESP32, and Raspberry Pi. Whether you are outfitting a PM Shri Robotics Lab with standard sensors or building your first autonomous B.Tech project, the HC-SR04 delivers bulletproof reliability and instant results.
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