You can control the brightness of these LEDs using variable resistors VR1, VR2 and VR3 respectively. Parts Needed. Arduino UNO board – 1 ; 5mm LEDs Red, Green, Blue – each 1 ; 100K Variable resistor – ...

Temperature Controlled Fan Using Arduino This project demonstrates the development of an energy-efficient system to regulate a fan's speed automatically based on room temperature. By integrating an ...

This project demonstrates a system using two Arduino boards, an LM35 temperature sensor, and an L298N motor driver to control a DC motor's speed and direction based on temperature readings. The setup ...

A PWM voltage regulator is built using a LM2596 buck converter which is driven by the PWM signal from the Arduino. By mapping the LDR output values to the PWM signal duty cycle the LED light intensity ...