Circuit Diagram: The complete Arduino Piano Project can be built on top of a breadboard with some connecting wires. The circuit diagram made using fritzing that shows the breadboard view of the ...

Make sure to connect positive pin(+) of buzzer to Arduino digital pin 7 and negative pin(-) to Arduino GND. In same cases, you may want to connect 100ohm series resistor between buzzer positive(+) pin ...

Description This Arduino project uses an HC-SR04 ultrasonic sensor to measure the distance to an object and visually represents this distance using an array of 8 LEDs. Additionally, a buzzer is used ...

This simple fire alarm circuit uses a smoke sensor, a piezo buzzer for audible alerts, and an LED for visual signaling. When the smoke sensor detects the presence of smoke or gases, it sends a signal ...

Circuit and working. Circuit diagram of the Arduino based visitor alarm is shown below. It is built around an Arduino Uno board (Board1), a reed switch (S1) and a piezo buzzer (PZ1). Circuit diagram ...

Circuit and working of Arduino LED Project Fig. 1: Circuit diagram of the 7×5 LED matrix using Arduino. The circuit shown in Fig. 1 includes an Arduino UNO board, a few transistors that act as ...

Circuit Diagram To better understand the workings of this project, check out our detailed diagram that illustrates the circuitry and connections involved in bringing Tetris to your Arduino setup. This ...

Our LED cube project then needs the following elements: Arduino Nano board; 64 LEDs of the preferred color; Matrix board to hold the LED structure. On the Arduino, we’ll upload our custom sketch, ...