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HC-SR04 Ultrasonic Distance Sensor


Introducing the HC-SR04 Ultrasonic Distance Sensor – your gateway to precise object detection through advanced sonar technology. Perfectly suited for an array of robotics projects, this sensor empowers you to effortlessly steer clear of obstacles. By harnessing its accurate distance measurement capabilities, ranging from an impressive 2cm to 400cm (0.8 inches to 157 inches), with an impressive accuracy of 0.3cm (0.1 inches), you’ll seamlessly maneuver through your robotic endeavors, ensuring a smooth and obstacle-free experience. Elevate your robotics creations with the HC-SR04 Ultrasonic Distance Sensor today.

Availability: 7 in stock

Key Features:

  • High Precision Performance: Experience distance measurements with incredible accuracy. The HC-SR04 Ultrasonic Sensor employs advanced ultrasonic technology to ensure reliable readings, making it an ideal choice for projects where precision is paramount.
  • Wide Range Coverage: With a sensing range from 2 cm to 400 cm, this sensor offers remarkable versatility. Whether you’re working on obstacle detection, robotics, or automated systems, the HC-SR04 Sensor has you covered across various scenarios.
  • Quick and Easy Integration: Designed for seamless integration, the HC-SR04 Sensor features a user-friendly design that allows hassle-free installation. Its compact size and straightforward wiring make it suitable for beginners and experts alike.
  • Real-Time Feedback: The sensor provides real-time distance feedback, enabling you to make informed decisions and adjustments on the fly. Stay in control of your projects and ensure optimal performance at all times.
  • Enhanced Consistency: Benefit from consistent and stable readings even in challenging environments. The HC-SR04 Sensor is engineered to minimize interference and provide dependable measurements regardless of external conditions.
  • Versatile Applications: Unlock a world of possibilities – from automated parking systems to drone altitude control. The HC-SR04 Sensor is an indispensable tool for an array of applications, sparking your creativity and innovation.
  • Durable Build: Crafted from high-quality materials, the sensor is built to last. Its robust construction ensures durability, enabling you to rely on it for your projects’ long-term success.
  • Applications:
  • Obstacle Avoidance: One of the primary uses of the HC-SR04 sensor is in obstacle avoidance systems for robots, drones, and autonomous vehicles. The sensor helps detect obstacles in the path and guides the device to navigate around them.
  • Distance Measurement: The sensor is widely used for accurate distance measurement in applications such as parking assistance, liquid level measurement, and industrial automation, where precise distance data is crucial.
  • Proximity Sensing: HC-SR04 is used to detect the presence or absence of an object within a certain range. It’s commonly found in automatic soap dispensers, hand dryers, and sanitary equipment.
  • Liquid Level Detection: The sensor can be employed to monitor liquid levels in tanks or containers, making it useful in applications like water management, fuel tanks, and industrial processes.
  • Home Security Systems: HC-SR04 can be integrated into security systems for intrusion detection by sensing movement or presence in restricted areas.
  • Weather Monitoring: The sensor can be utilized to measure the height of water bodies, snow, or rainfall accumulation, contributing to weather monitoring and flood prediction systems.
  • Gesture Recognition: HC-SR04 can be used in applications where hand gestures are used for control, such as in home automation systems or interactive displays.
  • Automated Lighting: The sensor can help adjust lighting intensity based on the presence or absence of people in a room, enhancing energy efficiency.
  • Medical Devices: HC-SR04 can be integrated into medical devices for non-contact measurement of vital signs like breathing rate or heart rate.
  • Industrial Automation: The sensor plays a role in industrial applications like object sorting, conveyor belt systems, and quality control processes.
  • Drone Altitude Control: Drones utilize HC-SR04 to maintain a consistent altitude above the ground during flight.
  • Parking Systems: In parking garages or smart parking systems, the sensor helps drivers gauge the distance between their vehicle and obstacles while parking.
  • Agriculture: HC-SR04 can be used in automated agricultural machinery for tasks like planting, seeding, and crop monitoring.
  • Research and Development: The sensor is valuable in various research fields, including acoustics, fluid dynamics, and materials testing.
  • Education: HC-SR04 is a popular choice for educational projects and workshops, helping students learn about distance sensing, electronics, and programming.


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