Ociodual Módulo HC-SR04 Sensor de Ultrasonidos Medidor Distancia Medición Ultrasónico HCSR04 Compatible con Raspberry Pi AVR DIY
Description
The HC-SR04 ultrasonic module provides a non-contact distance detection function
The module contains an ultrasonic transmitter, a receiver and a control circuit
The module can automatically send 8 per 40 kz square waves and checks if a signal is returned
When a signal is returned, output a high level signal via the E/A port ECHO. The duration of the high level signal is the time from transmitter to reception with ultrasound
