Circuit Documentation

Summary

This circuit consists of an Arduino UNO microcontroller, a PH Meter, and an LCD Display. The Arduino UNO serves as the central controller, interfacing with the PH Meter to read pH values and displaying the results on the LCD Display.

Component List

Arduino UNO

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

PH Meter

• Description: A sensor module used to measure the pH level of a solution.
• Pins: Signal, VCC, GND

LCD Display (16 pin)

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

Wiring Details

Arduino UNO

• 5V: Connected to VCC of PH Meter and VDD of LCD Display
• GND: Connected to GND of PH Meter, VSS of LCD Display, K of LCD Display, and R_W of LCD Display
• A1: Connected to Signal of PH Meter
• D12: Connected to RS of LCD Display
• D11: Connected to E of LCD Display
• D5: Connected to DB4 of LCD Display
• D4: Connected to DB5 of LCD Display
• D3: Connected to DB6 of LCD Display
• D2: Connected to DB7 of LCD Display

PH Meter

• VCC: Connected to 5V of Arduino UNO and VDD of LCD Display
• GND: Connected to GND of Arduino UNO
• Signal: Connected to A1 of Arduino UNO

LCD Display (16 pin)

• VDD: Connected to 5V of Arduino UNO and VCC of PH Meter
• VSS: Connected to GND of Arduino UNO
• K: Connected to GND of Arduino UNO
• R_W: Connected to GND of Arduino UNO
• RS: Connected to D12 of Arduino UNO
• E: Connected to D11 of Arduino UNO
• DB4: Connected to D5 of Arduino UNO
• DB5: Connected to D4 of Arduino UNO
• DB6: Connected to D3 of Arduino UNO
• DB7: Connected to D2 of Arduino UNO

Code Documentation

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:

}

documentation.txt

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component descriptions, wiring details, and the code used in the Arduino UNO microcontroller.