The HC-SR04 Ultrasonic Sensor measures distances using ultrasonic waves. It emits sound pulses and calculates the time for the echo to return, making it ideal for distance sensing, obstacle detection, and robotics. Easy to integrate and reliable in performance.
ULTRASONIC SENSOR
An ultrasonic sensor is a device that measures distance by using ultrasonic sound waves. These sound waves are above the range of human hearing and typically operate at frequencies around 40 kHz. Ultrasonic sensors are commonly used in applications like robotics, vehicle parking sensors, level detection in tanks, and proximity detection.
Specifications:
Working Voltage: DC 5 V
Working Current: 15mA
Working Frequency: 40Hz
Max Range: 4m
Min Range: 2cm
Measuring Angle: 15 degree
Trigger Input Signal: 10uS TTL
pulse
Echo Output Signal: Input TTL
lever signal and the range in proportion
Pin
Configuration:
VCC:
Power supply (5V)
Trig (Trigger):
Sends an ultrasonic pulse (trigger signal)
Echo:
Receives the pulse (echo signal)
GND:
Ground
Applications
of Ultrasonic Sensors
Obstacle Detection in Robotics:
Ultrasonic sensors are used in autonomous robots to detect obstacles and
help navigate.
Parking Assistance Systems: Used in
cars for reverse parking, helping detect nearby objects.
Level Sensing: Measuring
the level of liquids in tanks or silos.
Proximity Detection: Detects
the presence of objects, often used in security systems.
Industrial Automation: Used to
measure distances or detect objects in conveyor systems.
