Alphabeeboo HC-SR04 Ultrasonic Distance Measuring Transducer Sensor Module for Arduino Pack of 5

Description

"Features: Working Voltage : 5V(DC) Static current: Less than 2mA. Output signal: Electric frequency signal, high level 5V, low level 0V. Detection distance: 2cm-450cm. High precision: Up to 0.3cm Sensor angle: Not more than 15 degrees. Input trigger signal: 10us TTL impulse Echo signal : output TTL PWL signa Mode of connection: 1.VCC 2.trig(T) 3.echo(R) 4.GND Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules.