Objective To create an efficient water level monitoring system using an HC-SR04 sensor and Arduino, enabling real-time data ...

Some of the best hacks are the ones which seem perfectly obvious in hindsight; a solution to the problem that’s so elegant, you ...

This tutorial walks through a compact HC‑SR04 driver, explaining each function from modules/sensors/sonar.cpp and sonar.h. The ...

The HC-SR04 sonar modules are available for a mere pittance and, with some coaxing, can do a pretty decent job of helping your ...