Description
HC-SR04 is a non-contact distance measurement module, it provides high accuracy and high-resolution ultrasonic proximity detection and ranging in air. This ultrasonic sensor detects objects from 2 cm to 450 cm
Features:
- Power supply: 5V DC
- Effectual angle: < 15 degrees
- Ranging distance: 2cm to 450 cm
- Resolution: 1 cm
- Ultrasonic Frequency: 40kHz
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