Description
The HC-SR04 Ultrasonic Sensor is a widely used distance measuring module.
It uses ultrasonic waves to detect the distance of objects, making it highly accurate and reliable for robotics and IoT projects.
🔹 Features:
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Non-contact distance measurement
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High accuracy and stability
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Wide measuring range (2cm – 400cm)
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Simple 4-pin interface for Arduino, Raspberry Pi, ESP boards
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Low-cost solution for automation & robotics
🔹 Applications:
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Obstacle detection in robots
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Parking assistance systems
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Distance measurement tools
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Smart home automation
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IoT and security systems
Reviews
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