Arduino Move Text Randomly on SSD1306 OLED Display

Step 1: What You Will Need

• Arduino UNO (or any other Arduino or ESP)
• OLED Display
• Jumper wires
• Breadboard
• Visuino program: Download Visuino

Step 2: The Circuit

• Connect OLED Display pin [SCL] to Arduino pin [SCL]
• Connect OLED Display pin [SDA] to Arduino pin [SDA]
• Connect OLED Display pin [VCC] to Arduino pin [5v]
• Connect OLED Display pin [GND] to Arduino pin [GND]

Start Visuino, and Select the Arduino UNO Board Type

Start Visuino as shown in the first picture Click on the "Tools" button on the Arduino component (Picture 1) in Visuino When the dialog appears, select "Arduino UNO" as shown on Picture 2

Step 4: In Visuino Add & Set Components

• Add "Clock Generator" component
• Add "Clock Multi Source" component
• Add 2X "Random Integer Generator" component
• Add "OLED I2C" component
• Select "ClockMultiSource1" and in the properties window set "Output Pins" to 4
• Select "RandomIntegerGenerator1" and in the properties window set "Max" to 120
• Select "RandomIntegerGenerator2" and in the properties window set "Max" to 50
• Double click on the "DisplayOLED1" and in the "Elements" window:
• drag "Fill Screen" to the left side
• drag "Draw Text" to the left side and set in the properties window set "Size" to 2, "Text" to TEXT (Or any other text) and select "X" to and click on the pin icon and select "Integer SinkPin" and select "Y" to and click on the pin icon and select "Integer SinkPin"
• Close the "Elements" window

Step 5: In Visuino Connect Components

• Connect "ClockGenerator1" pin [Out] to "ClockMultiSource1" pin [In]
• Connect "ClockMultiSource1" pin [0] to "DisplayOLED1" > "Fill Screen1" pin [Clock]
• Connect "ClockMultiSource1" pin [1] to "RandomIntegerGenerator1" pin [Clock]
• Connect "ClockMultiSource1" pin [2] to "RandomIntegerGenerator2" pin [Clock]
• Connect "ClockMultiSource1" pin [3] to "DisplayOLED1" > "Draw Text1" pin [Clock]
• Connect "RandomIntegerGenerator1" pin [Out] to "DisplayOLED1" > "Draw Text1" pin [X]
• Connect "RandomIntegerGenerator2" pin [Out] to "DisplayOLED1" > "Draw Text1" pin [Y]
• Connect "DisplayOLED1" I2C pin [Out] to Arduino board I2C pin [In]

Step 6: Generate, Compile, and Upload the Arduino Code

In Visuino, at the bottom click on the "Build" Tab, make sure the correct port is selected, then click on the "Compile/Build and Upload" button.

Step 7: Play

If you power the Arduino module, The OLED Display will show the Text and change its position every second.

Congratulations! You have completed your project with Visuino. Also attached is the Visuino project, that I created for this tutorial, you can download it and open it in Visuino: https://www.visuino.eu