Learn how to use HC-SR04 Ultrasonic Sensor with the ESP32 board using the Arduino core. The ultrasonic sensor uses sonar to determine the distance to an object.
MicroPython: RCWL-0516 Microwave Radar Sensor – Detect Motion with ESP32/ESP8266 Enjoyed this project? Stay updated by subscribing our newsletter! SUBSCRIBE 150 thoughts on “Complete Guide for Ultrasonic Sensor HC-SR04 with Arduino”Robert L. Pendergast November 17, 2013 at 1:32 pm Hi, Thank...