This repository offers a complete document and sample code to use the HC-SR04 ultrasonic sensor with a Raspberry Pi Pico using a C language. It covers sensor pin configuration, wiring and clear ...

A JSN-SR04T ultrasonic sensor, connected to an ESP8266 to calculate the water level in a water tank. Water level monitor using open-source microcontrollers (Arduino, ESP8266, ESP32) and ultrasonic ...