The photosensor is a simple cadmium sulfide cell, which measures the intensity of light bouncing back from an object as an Arduino drives the LED through all possible colors with PWM signals.

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

An additional IR sensor can be used to detect the current lighting conditions, so that during the day, the lights do not come on and then as the evening sets in, they get a little brighter, only ...

As for sensors, it has a light sensor and an optional 9-axis motion sensor, ... You can use an LED as a light source, ... Arduino Uno, light sensor, stepper, TCS34725, turret. Posts navigation.

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

Install Arduino-Operated Digital LED Lights for the Holidays. Tori Reid. September 26, 2014 If you like ...

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 ...

Making use of an ioBridge IO-204 module, an Arduino Wave Kit, ... Check out the final results -- which feature 3,300 mini lights, 3 spotlights, an LED Rope, 4 LEDs, ...