[Arduino Super Introduction #13] Lighting an External LED | Let's Build Our First Circuit on a Breadboard

Last time, we learned about the anode and cathode of an LED, how to distinguish their orientation, and the role of a resistor in limiting current.This time, we will combine an Arduino, a breadboard, ...

Trying to build a small experimental device with Arduino | Part 6: Turning on an LED when it gets dark

Last time, we used a light sensor to measure the ambient brightness with an Arduino. When the light hitting the light sensor ...
Hackaday

Arduino Tetris On A Multiplexed LED Matrix

[Alex] needed a project for his microcomputer circuits class. He wanted something that would challenge him on both the electronics side of things, as well as the programming side. He ended up ...
Hackaday

Simplifying Basic LED Effects

There was a time when having a blinking blue LED on a project was all you needed to be one of the cool kids. But now you need something more complex. LEDs should not just snap on, they should fade in ...
EDN

Arduino PWM Led Control

Looking for a simple circuit to control the light intensity of Light Emitting Diodes (LEDs) or similar lighting sources? Here is an Arduino based circuit with three independent pulse width modulated ...