In this experiment we are going to work with a sensor which is a resistor that depends on light. In a dark environment, the resistor will have a very high resistance. As photons (light) land on the ...

Here is the diagram of my Arduino infrared close proximity sensor. As you can see, ... R2-C1 is vitally necessary to suppress potential power supply disturbances whereas R3 is an essential output pull ...

The [Libelium] team wanted to help people in Japan measure radiation in their surroundings following the nuclear accident in Fukushima. Because of the affordability and seeming ubiquity of the Ardu… ...

This translates into dimming and brightening of the light bulb. If you want to try this out using a resistor and an LED, here is a simple Arduino UNO Sketch that will dim and brighten the LED in ...