Description
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The HC-SR04 ultrasonic sensor is a popular module for distance measurement. It uses ultrasonic waves to calculate distances accurately between 2cm and 400cm. Widely used in robotics, automation, and obstacle detection projects.
Specifications:
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Operating Voltage: 5V DC
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Measuring Range: 2cm – 400cm
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Accuracy: ±3mm
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Frequency: 40kHz
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Trigger Input: 10µs TTL pulse
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Dimensions: 45mm x 20mm x 15mm
Features:
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Accurate non-contact distance measurement
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Simple interfacing with microcontrollers
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Low power consumption
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Long measurement range
Applications:
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Obstacle detection in robotics
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Smart parking systems
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Distance measurement devices
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Security alarm systems
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