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 ...

Code for arduino that makes fade in/out effect after receiving signal from switch, PIR sensor, etc. Default pinout: Pin 9 - main output. That's where you connect your LEDs. Of course you can change ...

A small utility to fade LED's in and out using the FastLED library. Similar to https://github.com/Sarah-C/M5Stack_Core2_FadeLED, but exposes the FastLED objects so it ...