In order to control the the backlight LED brightness, combination of a medium-power transistor (BC327) and Arduino’s pulse width ... With a little skill and patience you can add lcd backlight/contrast ...

You can fade out and fade in the light of an LED automatically by using Arduino and a simple code that is described below. Even though the Arduino board cannot output variable voltage on its digital ...

To the human eye, it looks like multiple LED’s are lit up simultaneously. [Alex] planned to use an Arduino to control this display, but it doesn’t have enough outputs on its own to control all ...

another Arduino connected wirelessly with an LED, push the button and turn on the LED without any additional single line of code to handle the communication. Everything will be handled behind the ...