This sound alternator is designed to simulate the effects of a police siren, combining sound and light to create a dynamic audio-visual experience. It uses an ESP32, a small speaker, and two red LEDs ...

Fire safety alarms are crucial in both residential and industrial environments. Early fire detection can prevent significant damage and save lives. Flame sensors offer one of the most efficient ...

In this short tutorial, we will show you how you can build yourself a transistor-driven color-changing RGB LED lights. The building process is simple and requires only a few transistors, capacitors ...

USB Powerbank have a nasty habit of shutting off if you don't use enough power. This might be fine if you are charging a phone, but if you are using them to power a small arduino or led project, it is ...

One challenge of teaching chemical analysis is the proliferation of sophisticated, but often impenetrable, instrumentation in the modern laboratory. Complex instruments, and the software that runs ...

The pets need to be fed timely so that they could maintain good health. The pet owners aren’t available at the home 24/7, sometimes they go for business meetings to another city or someone else’s ...

LED Blinking is a very common and almost first program for every embedded learner or beginner. In which we blink an LED with some delay. So today we are here with the same project, but here we will ...