Implementing an OLED display with an Arduino UNO board using Python

OLED (Organic Light-Emitting Diode) display is a type of display technology that uses organic compounds to produce light. OLED displays have several advantages over traditional LCD displays, including a wider viewing angle, faster response time, and higher contrast ratio.

The OLED display typically has the following pins:

• VCC: Power supply pin, typically connected to +3.3V or +5V
• GND: Ground pin, connected to the ground of the power supply
• SCL: Serial Clock pin, used for communication with the microcontroller
• SDA: Serial Data pin, used for communication with the microcontroller
• RES: Reset pin, used to reset the OLED display
• DC: Data/Command pin, used to select whether the data transmitted is data or a command

To implement the OLED display with an Arduino UNO board, you will need the following hardware and components:

• OLED display (128x64 pixels)
• I2C OLED module
• Arduino UNO board
• Breadboard
• Jumper wires

Here's the basic circuit diagram for connecting the OLED display to the Arduino UNO board:

+---------------+ | | | OLED Display| | | +---------------+ | +-------|-------+ | | | I2C OLED | | Module | +--------------+ | +-------|-------+ | | | Arduino UNO | | | +--------------+

To display text or graphics on the OLED display using Python and the Arduino UNO board, you will need to install the following libraries:

• Adafruit_SSD1306
• Adafruit_GFX
• Adafruit_BusIO

The libraries can be installed using the pip package manager.

Here's a sample Python code that displays text on the OLED display:

import time import board import digitalio import busio import adafruit_ssd1306 # Create the I2C interface i2c = busio.I2C(board.SCL, board.SDA) # Create the OLED display object display = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c) # Clear the display display.fill(0) display.show() # Set the cursor position display.text('Hello, World!', 0, 0) display.show() time.sleep(5) # Clear the display display.fill(0) display.show()

The code above creates an I2C interface between the Arduino UNO board and the OLED display using the SCL and SDA pins. The OLED display object is created using the adafruit_ssd1306 library. The display is then filled with black and the text "Hello, World!" is displayed on the screen using the text function. The display is updated using the show function.