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The HC-SR04 Ultrasonic Sensor is a high-precision distance measuring module compatible with Arduino, offering a detection range from 2cm to 450cm with ±0.3cm accuracy. Operating at 5V DC with low power consumption (<2mA), it emits 40kHz ultrasonic pulses and measures echo return time within a focused 15° sensor angle, making it ideal for precise, energy-efficient distance sensing in diverse DIY and professional applications.
Trustpilot
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