This LDR and 555 timer based DARK SENSOR indicates the absence of light or presence of dark in a certain region.

Want to learn basic electronics?
Put on your thinking caps and get ready to uncover the mysteries of electronics! This course is perfect for anyone curious about how all those fancy gadgets we use every day actually function. We'll take it from square one, explaining everything from resistors, capacitors, AC/DC power sources - and even apply what you learn in real-world contexts like chargers or induction heaters.
1.5.3 Circuit Connections(PART 4)
In this tutorial we will make connections of L298N, Arduino and Motors for the project “Interfacing L298N with Arduino using Matlab GUI” .