Ultrasonic Sensor
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Introduction
This is a commonly used ultrasonic sensor that detects the presence of an obstacle in front of it and detects the detailed distance between the sensor and the obstacle. The principle is the same as the principle of bat flight, that is, the ultrasonic module sends out a high-frequency ultrasonic signals that cannot be heard by the human body. These ultrasonic signals will be reflected back if they touch an obstacle. After receiving the returned information, the distance between the sensor and the obstacle is calculated by judging the time difference between the transmitted signal and the received signal.
Features
Detection angle:<15°
Adopt industrial grade MCU, working temperature:-20C~80C
Detection distance:5V:2cm-450cm
Specifications
Working voltage: DC5V
Quiescent current: less than 2mA
Level output: DC3.3-5V
Level output: Bottom 0V
Sensing angle: not more than 15 degrees
Detection range: 2cm-450cm
High precision: up to 0.3cm
Pinout
VCC:5V
TRIG:Transmitter
ECHO:Receiver
GND:Ground
Dimensions
dimension:45x20.5x15.3(mm)
weight:9g
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