Ultrasonic Sensor HC-SR04

The HC-SR04 is a popular ultrasonic sensor used for measuring distance. It emits an ultrasonic sound wave and measures the time it takes for the sound wave to bounce back from an object. Here are the detailed specifications and features of the HC-SR04 ultrasonic sensor:

Specifications

• Power Supply Voltage: 5V DC
• Current Consumption: 15mA
• Ultrasonic Frequency: 40 kHz
• Measuring Range: 2 cm to 400 cm
• Resolution: 0.3 cm
• Measuring Angle: 15 degrees
• Trigger Input Signal: 10µs TTL pulse
• Echo Output Signal: TTL signal proportional to the distance
• Dimensions: 45mm x 20mm x 15mm

Pin Configuration

• VCC: 5V power supply input
• GND: Ground
• Trig: Trigger input pin
• Echo: Echo output pin

Features

• Accurate Distance Measurement: Provides reliable distance measurement from 2 cm to 400 cm.
• Easy to Interface: Can be easily interfaced with various microcontrollers using the trigger and echo pins.
• Compact Size: Small form factor allows for easy integration into projects.
• Low Power Consumption: Consumes very little power, making it suitable for battery-operated devices.

Working Principle and Code:

For More Details Please Refer to this Link: What is an Ultrasonic Sensor with Arduino | LK-Tronics

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