Ultrasonic Sensor

An Ultrasonic Sensor is a versatile electronic device that uses ultrasonic sound waves to measure distance or detect objects. It emits high-frequency sound waves and calculates the time it takes for the waves to bounce back after hitting an object, allowing for precise distance measurements without physical contact. Ultrasonic sensors are valuable for applications where non-contact distance measurement and object detection are needed. They are commonly used in robotics for obstacle avoidance, in industrial automation for object positioning, and in automotive applications for parking assistance systems, among many other uses.

Specifications:

• Operating Principle: Ultrasonic sensors operate on the principle of sending and receiving ultrasonic sound waves (inaudible to humans) to determine the distance to an object.
• Transducer: Consists of a transducer that emits ultrasonic pulses and a receiver that detects reflected signals.
• Measurement Range: The sensor’s measurement range can vary widely, from a few centimeters to several meters, depending on the specific model.
• Accuracy: Provides accurate distance measurements with millimeter-level precision.
• Output: Typically provides distance measurements in various output formats, including analog voltage, digital pulse width, or serial communication (e.g., UART).
• Operating Frequency: Ultrasonic sensors typically operate at frequencies between 20 kHz to 200 kHz.
• Power Supply: Requires a power supply voltage, commonly 5V or 3.3V, depending on the sensor model.
• Applications: Used in robotics, automation, industrial control, parking systems, obstacle detection, and many other applications that require distance measurement or object detection.
• Mounting: Available in various form factors, including through-hole, surface-mount, and integrated into modules or devices.
• Mode of Operation: Some sensors offer multiple modes of operation, such as single or continuous measurement modes.