So here in this Arduino Metal Detector Project, we have to find the inductance of the coil to detect metals. So to do this we have used LR circuit (Resistor-Inductor Circuit) that we already mentioned ...

We have a comparator circuit for comparing output voltage of Alcohol Sensor with preset voltage (output connected at pin D7). Alcohol sensor output is also connected at an analog pin of Arduino (A0).

Now let us assemble all the components and make a switching circuit. A touch sensor is a touch-sensitive module which has 3 input/output pins. Power up this module by connecting the Vcc pin and ground ...

Pin 9 generates a PWM signal using a time-honored technique. ... which I am glad for! arduino-circuit interaction can be critical and almost impossible ...

The analog sensor on the Arduino board senses the voltage on the analog pin and converts it into a digital format that can be processed by the microcontroller. Here, we are feeding the input voltage ...

This is an Arduino Nano Circuit design using Altium Designer. The Arduino Nano is a small, breadboard-friendly version of the Arduino platform. It is built around the ATmega328 microcontroller, ...

The Arduino puts 5V on the relay pin. → The relay goes on. (Now you can take away your finger from the button) If the Arduino senses water between the two pins → It puts 0V on the relay pin. → The ...

The second step, before starting to make the circuit, is to go through a brief study of all these components. A list of all the components that we need in this project is given below. No products ...

The code controls the LED connected to pin D13 in connection with the input level on Pin D2. ... Zero - Arduino Try Out. From the circuit diagram of the module, it is clear that, apart from the module ...

Arduino Uno board is the heart of this circuit. Arduino. The Arduino is a popular microcontroller platform that has taken the world by storm. ... The signal from LDR1 is fed to digital input pin 2 of ...