Circuit Documentation

Summary of the Circuit

This circuit is designed to interface with various input and output devices controlled by an Arduino UNO microcontroller. The circuit includes a pushbutton, a KY-023 dual-axis joystick module, a piezo speaker, and an I2C LCD 16x2 screen. The Arduino UNO reads inputs from the pushbutton and joystick, drives the piezo speaker, and communicates with the LCD screen via I2C protocol. The circuit is powered by the Arduino's 5V output, and ground connections are distributed to all components requiring it.

Component List

Pushbutton

• Description: A simple pushbutton switch that can be used to input a binary signal to the microcontroller.
• Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

KY-023 Dual Axis Joystick Module

• Description: A joystick module that provides two analog outputs corresponding to the X and Y axis positions and a digital output for the joystick pushbutton.
• Pins: GND, +5V, VRx, VRy, SW

Piezo Speaker

• Description: An electronic device that can be used to generate tones or simple beeps.
• Pins: pin1, pin2

I2C LCD 16x2 Screen

• Description: A 16x2 character LCD display that uses the I2C bus for communication.
• Pins: SCL, SDA, VCC (5V), GND, VDD, VO, RS, RW, E, D0, D1, D2, D3, D4, D5, D6, D7, BLA, BLK

Arduino UNO

• Description: A microcontroller board based on the ATmega328P, with a variety of digital and analog I/O pins.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

Wiring Details

Pushbutton

• Wiring:
  • Pin 2 (in) connected to Arduino UNO GND
  • Pin 4 (out) connected to Arduino UNO D2

KY-023 Dual Axis Joystick Module

• Wiring:
  • GND connected to Arduino UNO GND
  • +5V connected to Arduino UNO 5V
  • VRx connected to Arduino UNO A0
  • VRy connected to Arduino UNO A1

Piezo Speaker

• Wiring:
  • pin1 connected to Arduino UNO GND
  • pin2 connected to Arduino UNO D9

I2C LCD 16x2 Screen

• Wiring:
  • SCL connected to Arduino UNO A5
  • SDA connected to Arduino UNO A4
  • VCC (5V) connected to Arduino UNO 5V
  • GND connected to Arduino UNO GND

Documented Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Filename: sketch.ino

Note: The provided code is a template and does not include specific functionality. It needs to be filled in with the logic to read the joystick and pushbutton inputs, control the piezo speaker, and update the LCD screen.