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.
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Hasini Jayarathne –
Good one
Hasini Jayarathne –