which measures the intensity of light bouncing back from an object as an Arduino drives the LED through all possible colors with PWM signals. The sensor needs to be white balanced before use but ...

Most ambient lights and sensors are designed to generate ... light bleed from the back of an LCD display. This Arduino-powered Shiftbrite LED ambilight setup takes things a step further by ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

The Arduino receives this data and can control either a single-color LED or with an RGB LED strip ... to change the colour and intensity of light depending on the weather conditions.If you want to use ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level ... the resistance value and then pour water and measure it again. Use a mid value for ...

it looks like multiple LED’s are lit up simultaneously. [Alex] planned to use an Arduino to control this display, but it doesn’t have enough outputs on its own to control all of those lights.

Now that you've seen how to blink your Arduino's LED, we'll use one final, slightly more complex example: we'll use a third-party UNO breakout board and an external traffic light sensor board to ...