The PWM sketch works to vary the output linearly, however, the light outputted by the LED does not change in a linear manner ... with a Li-ion 9V/600mAh USB battery. Quick note: Arduino UNO has three ...

[Hlesliebole] wanted a finer degree of remote control over his time-lapse shots, so he decided to build an Arduino-driven infrared ... This initial build uses an LED as a stand-in for the remote ...

Basic test setup used by author Here’s another simple experimental PWM code for ATtiny85 to drive the LED on PB0 (with 1K resistor in series) at three different light levels (see ... the correct usage ...

Knowing that I’m always happy to get something new and glowy, my wife brought home a cheap “floating pool light ... arduino there just for some PWM. I can go buy the components to do 555 timer ...

Droplet and StackAR, developed by MIT’s Media Lab, allow users to set timers or program an Arduino using light-based communication. By pressing the tool against a screen, flashes of light can ...

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 ...

and brake lights to keep you safe. The entire system is built on the backbone of an Arduino Uno with a few other parts totaling at about $150. That seems expensive, but DeBoisblanc's build covers ...