This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

LED Brightness Control ... from any browser: The Arduino UNO will act as a webserver and HTML web page will be hosted on a PC or Laptop. Before starting the coding and development, the Node.js has to ...

This library provides a GAMMA lookup class. It is typical used to change the intensity / brightness of a LED to match the human eye. When a LED is given 50% PWM it looks far brighter for the eye. This ...

This project demonstrates how to use Arduino and the nRF24L01 RF module for wireless communication. Specifically, it reads the value from a potentiometer on the transmitter side and controls the ...