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 ...
Linux Journal

Learning to Program the Arduino

Before I start talking about this really cool thing called Arduino (Italian for "good friend"), let me say a few things about the fascinating subject of physical computing. Physical computing has been ...
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 ...
I Programmer

Arduino Uno Q In C - Text On The LED Matrix

The 8x13 blue LED matrix is also an example of using PWM to implement gray-level images. The LEDs are connected in a row/column layout in the form of a tree – the first row has one LED pair, the ...
Hackaday

Program An Arduino Using Your Sound Card

[Chris] wrote us to share a neat technique he has been using to program the Arduinos he uses in his projects. He likes to build bare bones Arduino clones rather than sacrifice full dev boards, and ...
EDN

Arduino LED Fader

I have spent at least an hour almost every day since the 80’s advancing my knowledge in electronics. Recently I brushed up my knowledge on LED fading secrets and attained something pleasant. Now, I’d ...