An Arduino-based intruder detection system that monitors a laser beam using an LDR. When the beam is broken, an RGB LED turns red and the buzzer plays Für Elise as an alarm. The system self-calibrates ...

Understanding the interaction between light and sensors is crucial for a plethora of applications ranging from security systems to environmental monitoring. Protosem, a trailblazer in practical ...

Hi Everyone, This is my 1st Arduino's tutorial video. In this video i am going to show you how to use a LDR or Light Dependent resistor to turn on and off another circuit or a LED. Wouldn’t it be ...

Automatic LED Light Using LDR & Arduino Just built a simple yet smart IoT project — an automatic lighting system using an LDR (Light Dependent Resistor) and Arduino Uno.This setup turns the LED ON in ...

Abstract: The growing need of energy efficiency and the sustainability of urban infrastructure has resulted in the use of smart technologies to automate the usage of public utilities. An example of ...