Circuit Documentation

Summary

This circuit consists of an Arduino UNO microcontroller, an I2C LCD display, and a rotary encoder. The Arduino UNO serves as the central controller, interfacing with the LCD display via the I2C protocol and reading inputs from the rotary encoder.

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

I2C LCD Display (lcdi2c)

• Description: An LCD display module that communicates via the I2C protocol.
• Pins: GND, VCC, SDA, SCL

Rotary Encoder

• Description: A device that converts the angular position or motion of a shaft to an analog or digital code.
• Pins: clk, dt, sw, gnd, +

Wiring Details

Arduino UNO

• 5V: Connected to the VCC pin of the I2C LCD Display and the + pin of the Rotary Encoder.
• GND: Connected to the GND pin of the I2C LCD Display and the gnd pin of the Rotary Encoder.
• A4: Connected to the SDA pin of the I2C LCD Display.
• A5: Connected to the SCL pin of the I2C LCD Display.
• D4: Connected to the sw pin of the Rotary Encoder.
• D3: Connected to the dt pin of the Rotary Encoder.
• D2: Connected to the clk pin of the Rotary Encoder.

I2C LCD Display (lcdi2c)

• VCC: Connected to the 5V pin of the Arduino UNO.
• GND: Connected to the GND pin of the Arduino UNO.
• SDA: Connected to the A4 pin of the Arduino UNO.
• SCL: Connected to the A5 pin of the Arduino UNO.

Rotary Encoder

• +: Connected to the 5V pin of the Arduino UNO.
• gnd: Connected to the GND pin of the Arduino UNO.
• sw: Connected to the D4 pin of the Arduino UNO.
• dt: Connected to the D3 pin of the Arduino UNO.
• clk: Connected to the D2 pin of the 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 list, wiring details, and the code used in the Arduino UNO.