Arduino pins where the LED is attached */ #define LED_1 2 #define LED_2 3 #define LED_3 4 #define LED_4 5 #define LED_5 6 #define sensorPin A0 // Analog input pin that the Sensor is attached to /* ...

Last and finally, we have the photodiode and the IR emitting LED pair which all together make the total IR Proximity Sensor Module. Types of IR Sensors for Arduino Projects There are several types of ...

[electron_plumber] made an LED that can be blown out like a candle, and amazingly it requires no added sensors. The project uses an Arduino to ... as a temperature sensor. A diode’s voltage ...

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This project demonstrates a simple water detection system using an Arduino board and a water sensor. The system uses an LED to indicate whether water is detected. The LED turns ON when no water is ...

A lot of consumer gadgets use touch sensors now. It is a cheap and reliable way to replace a variety of knobs and switches on everything from headphones to automobiles. However, creating a custom ...

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 ...

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor ... an LED to alert the user when it is time to water a potted plant, and/or turn on a water ...