Note that humans perceive the brightness change non-linearly. The human eye responds to light in a logarithmic fashion and has a better sensitivity at low luminance than high luminance. If you do not ...

Here is a simple Arduino Camping Light project. In this design, only one push button switch is used to control the light output (from a bunch of white LEDs) between off, dim, medium, and full ...

The statement analogWrite (3,i); is how PWM is implemented in the Arduino. Pin 3 will output a square wave with a certain duty cycle. A value of 0 means a duty cycle of 0%, or completely off.

He ended up designing an 8 by 16 grid of LED’s that was turned into a game of Tetris. He arranged all 128 LED’s into the grid on a piece of perfboard.

Posted in LED Hacks Tagged 3d printed, arduino, bluetooth, neopixel ring ← Baby’s Room Gets A Palace With This CNC Castle Decoration Hackaday Retro Edition: 386 Compaqs → ...

A case will protect your Arduino and ensure your sweater has the chance to light up the room for many holidays to come.

This Arduino-powered Shiftbrite LED ambilight setup takes things a step further by automatically adjusting the color and intensity of the ambient lights on the back of the display to match ...