Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with various components including an LCD display, a 74HC595 shift register, multiple LEDs of different colors, resistors, a joystick module, an IR receiver, and a piezo buzzer. The circuit is designed to demonstrate basic input and output operations, including displaying information on an LCD, controlling LEDs, and reading inputs from a joystick and an IR receiver.

Component List

1. KY-023 Dual Axis Joystick Module

   • Pins: GND, +5V, VRx, VRy, SW
   • Description: A joystick module that provides analog output for X and Y axes and a digital output for the switch.

2. 74HC595

   • Pins: Q1, Q2, Q3, Q4, Q5, Q6, Q7, GND, VCC, Q0, DS (DATA), OE (Enable), ST_CP (RCLK), SH_CP (SRCLK), MR (SRCLR), Q7' (QH)
   • Description: A serial-in, parallel-out shift register used to control multiple LEDs.

3. Resistor

   • Pins: pin1, pin2
   • Description: Resistors with a resistance of 220 Ohms used for current limiting.

4. LED: Two Pin (yellow)

   • Pins: cathode, anode
   • Description: A yellow LED.

5. LCD Display (16 pin)

   • Pins: VSS, VDD, VO, RS, R_W, E, DB0, DB1, DB2, DB3, DB4, DB5, DB6, DB7, A, K
   • Description: A 16-pin LCD display used for displaying text.

6. LED: Two Pin (red)

   • Pins: cathode, anode
   • Description: A red LED.

7. LED: Two Pin (white)

   • Pins: cathode, anode
   • Description: A white LED.

8. LED: Two Pin (blue)

   • Pins: cathode, anode
   • Description: A blue LED.

9. LED: Two Pin (green)

   • Pins: cathode, anode
   • Description: A green LED.

10. VS1838B IR Receiver

    • Pins: OUT, GND, VCC
    • Description: An IR receiver module.

11. Piezo Buzzer

    • Pins: pin 1, pin 2
    • Description: A piezo buzzer for sound output.

12. Arduino UNO

    • 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
    • Description: A microcontroller board based on the ATmega328P.

Wiring Details

KY-023 Dual Axis Joystick Module

• GND connected to GND of Arduino UNO.
• +5V connected to 5V of Arduino UNO.
• VRx connected to A2 of Arduino UNO.
• VRy connected to A1 of Arduino UNO.
• SW connected to A0 of Arduino UNO.

74HC595

• GND connected to GND of Arduino UNO.
• VCC connected to 5V of Arduino UNO.
• OE (Enable) connected to GND.
• MR (SRCLR) connected to 5V.
• DS (DATA) connected to D11 of Arduino UNO.
• ST_CP (RCLK) connected to D13 of Arduino UNO.
• SH_CP (SRCLK) connected to D12 of Arduino UNO.
• Q0 connected to anode of green LED.
• Q1 connected to anode of blue LED.
• Q2 connected to anode of red LED.
• Q3 connected to anode of yellow LED.
• Q4 connected to anode of yellow LED.
• Q5 connected to anode of red LED.
• Q6 connected to anode of blue LED.
• Q7 connected to anode of green LED.

Resistors

• pin1 of each resistor connected to the cathode of corresponding LEDs.
• pin2 of each resistor connected to GND.

LCD Display (16 pin)

• VSS connected to GND.
• VDD connected to 5V.
• VO connected to D10 of Arduino UNO.
• RS connected to D2 of Arduino UNO.
• R_W connected to GND.
• E connected to D3 of Arduino UNO.
• DB4 connected to D4 of Arduino UNO.
• DB5 connected to D5 of Arduino UNO.
• DB6 connected to D6 of Arduino UNO.
• DB7 connected to D7 of Arduino UNO.
• A connected to pin1 of a resistor.
• K connected to GND.

VS1838B IR Receiver

• OUT connected to GND.
• GND connected to GND.
• VCC connected to A3 of Arduino UNO.

Piezo Buzzer

• pin 1 connected to D9 of Arduino UNO.
• pin 2 connected to GND.

LEDs

• Yellow LED:
  • anode connected to Q3 and Q4 of 74HC595.
  • cathode connected to pin1 of a resistor.
• Red LED:
  • anode connected to Q2 and Q5 of 74HC595.
  • cathode connected to pin1 of a resistor.
• White LED:
  • anode connected to D8 of Arduino UNO.
  • cathode connected to pin1 of a resistor.
• Blue LED:
  • anode connected to Q1 and Q6 of 74HC595.
  • cathode connected to pin1 of a resistor.
• Green LED:
  • anode connected to Q0 and Q7 of 74HC595.
  • cathode connected to pin1 of a resistor.

Documented Code

Arduino UNO Code (sketch.ino)

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

}

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

}

Additional Documentation (documentation.txt)

This documentation provides a comprehensive overview of the circuit, including a detailed list of components, their wiring connections, and the code used in the Arduino UNO microcontroller.