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This US-015 ultrasonic sensor is better accuracy than HCSR04 sensor for distance measurement and object detection. It offers excellent range accuracy up to (1mm) and fairly stable readings at very low cost. It requires two digital I/O pins (an output pin and an input pin) to interface with it.
Ultrasonic sensor is created based on the principle of echolocation used by animals like bats and dolphins. Since ultrasonic sensor uses sonar to determine the distance to an object, its operation is not affected by sunlight, spotlight and object’s surface color which will affect the readings of any infrared distance sensors. However acoustically soft materials such as clothes can be difficult to detect.
Check the product Datasheet for its working and more technical details.
Comparison between Ultrasonic Sensors.
- Operating Voltage : DC 5V
- Current : 2.2mA
- PinOut : 4 PIN Sensing
- Range : 2 – 400cm
- Sensing Angle : <15deg
- Accuracy : 0.1cm+-5%
- Advantages : Better accuracy than HCSR04
- Size (mm): 45 (L) x 20 (W) x 16 (H)
- Weight : 10 g
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