![]() ![]() ![]() (3) IF the signal back, through high level, time of high output IO duration is the time from sending ultrasonic to returning. The basic principle of work: (1) Using IO trigger for at least 10us high level signal, (2) The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back. The modules includes ultrasonic transmitters, receiver and control circuit. Ultrasonic ranging module HC - SR04 provides 2cm - 400cm non-contact measurement function, the ranging accuracy can reach to 3mm. Ultrasonic sensor can detect movement of targets and measure the distance to them in many automated factories and process plants. ![]() Proteus Rain Sensor Library for Arduino ProjectsÄigital Thermal Sensor-Temperature Sensor.Infrared Sensor Library for Proteus simulation.Proteus Vibration Sensor Library for Arduino projects.PIR Motion Sensor (HC-SR501) Library for Proteus.Arduino Ultrasonic Sensor HC-SR04 Proteus Library. ![]()
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