Phicon Ultrasonic Sensor HC-SR04 Ultrasonic Sensor Module ultrasonic sensor Electronic Components Electronic Hobby Kit

ultrasonic sensor Working Voltage : 5V(DC) , Static current: Less than 2mA.Output signal : Electric frequency signal, high level 5V, low level 0V. , Sensor angle : Not more than 15 degrees.Detection distance : 2cm-450cm. ,High precision : Up to 2mm,Input trigger signal : 10us TTL impulse , Echo signal : output TTL PWL signal.NOTE : The module has a blind spot of 2cm(very near). So obstacle held too closely will not be detected. This performance of the ultrasonic sensor distance measuring module is stable, measure the distance accurately. The module is with High precision, blind spots (3cm) super close. This module provides a full set of ranging process. Features: Working voltage : 5V(DC) Static current: Less than 2mA. Output signal: Electric frequency signal, high level 5V, low level 0V. Sensor angle: Not more than 15 degrees. Detection distance: 2cm~400cm. High precision: Up to 3mm Mode of connection: VCC / trig(T) / echo(R) / GND Working: Provide the IO trigger supplying at least 10us sequence of high-level signal The module automatically sends eight 40khz square wave and automatically detects whether receive the returning pulse signal If there is a return signal, the output level will be high and the high time of the signal is the time from transmitting to receiving. Please refer the datasheet for exact details.