Musical Water Fountain Circuit Diagram . As shown in the above musical fountain circuit diagram, the sound sensor is powered with 3.3V supply of Arduino Nano and the output pin of the sound sensor ...

Arduino Motion Sensor – Circuit and Working. The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a ...

Circuit Diagram - Interfacing Arduino Nano and OLED Display for Tetris Game. Once you have everything you need, it's time to start connecting the components and have some fun creating your game!

On the input of the voltage regulator, we have a 12.6V battery pack connected, and the output is connected to the Arduino nano and the Audio module. Arduino Code for Digital Firecracker The code for ...

Audio Signal Capture: The MAX9814 microphone captures audio signals and converts them to analog signals, which are read by the Arduino Nano through its analog input pin.. Sampling: The Arduino Nano ...

Circuit Diagram: We have used an Arduino Nano for controlling whole this Metal Detector Project. A LED and Buzzer are used as metal detection indicator. A Coil and capacitor is used for the detection ...

The Arduino Mega's PWM pins are digital output pins located on D2 to D13 and D44 to D46, coming to a total of 15. While they function as normal digital pins that can switch a component either ...