Blocks Area
OLED Screen
📺 OLED Screen – Your “Mini TV”
What it is: Blocks for more advanced graphic displays.
What it does: Displays graphics and images on advanced screens.
Example: Draw a heart or display large numbers.
👉 It’s the robot’s artistic display.
🧩 Fun Guide to OLED Display Blocks (Clu-blocks Pro)
🖼️ Important! OLED blocks let your robot draw pictures, scroll text, and show data on a bright little screen. It’s like giving your robot a digital face or dashboard!
🔧 Setup & Configuration
| # | Block | What it does | Dropdown options | What the options mean |
|---|---|---|---|---|
| 1 | I2C setup i2c_extend SCL: 2 SDA: 0 frequency: 100000 |
Sets up I2C communication | — | Needed before using the OLED — SCL/SDA are data pins |
| 2 | count with I2C i2c_extend oled setupbased128x64 Addr: 0x3c driver SSD1306 |
Initializes the OLED screen | — | 128×64 is the screen size, SSD1306 is the driver chip |
🖋️ Displaying Text
| # | Block | What it does | Dropdown options | What the options mean |
|---|---|---|---|---|
| 3 | oled display string "Clu-Bots" x: 0 y: 0 |
Shows text at a position | — | You choose where the text appears |
| 4 | oled display string "Clu-Bots" x: 0 y: 0 size: 2 space: 1 middle alignment: yes |
Shows styled text | — | You can change size, spacing, and alignment |
| 5 | oled scroll string "Clu-Bots" x: 0 y: 0 size: 2 space: 1 middle alignment: yes |
Scrolls text across the screen | — | Great for announcements or animations |
| 6 | oled scroll string "Clu-Bots" x: 0 y: 0 size: 2 space: 1 interval(ms): 5 |
Scrolls text with timing | — | Controls how fast the text scrolls |
| 7 | oled show string by frame "Clu-Bots" x: 0 y: 0 size: 2 interval(ms): 50 |
Shows text one frame at a time | — | Creates a typing or reveal effect |
🎨 Drawing & Graphics
| # | Block | What it does | Dropdown options | What the options mean |
|---|---|---|---|---|
| 8 | oled Display image Built-in picture Heart x: 0 y: 0 |
Shows a built-in icon | Heart, Happy, Sad, Rock, Paper, etc. |
Choose from fun emojis and symbols |
| 9 | oled draw line x1: 0 y1: 0 to x2: 50 y2: 50 |
Draws a line | draw, erase |
You can draw or erase shapes |
| 10 | oled draw vertical line x: 0 y: 0 length: 20 |
Draws a vertical line | vertical, horizontal |
Choose direction of the line |
| 11 | oled draw rectangle x: 20 y: 20 width: 20 height: 15 |
Draws a hollow rectangle | draw, erase |
Great for boxes or borders |
| 12 | oled draw rectangle x: 20 y: 20 width: 20 height: 15 fill: yes |
Draws a solid rectangle | hollow, solid |
Choose fill style |
| 13 | oled draw progress UP translation x: 1 unit |
Moves an image or shape | UP, DOWN, LEFT, RIGHT |
Great for animations or sliders |
💡 Display Control
| # | Block | What it does | Dropdown options | What the options mean |
|---|---|---|---|---|
| 14 | oled set display on On |
Turns the screen on or off | On, Off |
Controls power or visibility |
| 15 | oled clear display |
Clears everything from the screen | — | Use this before updating or switching messages |
🧠 Quick Tips for Students
- Use setup blocks first — your OLED won’t work without I2C and driver setup.
- Use built-in pictures for fun icons — like emotions or game symbols.
- Use scroll and frame text for cool effects — like typing or marquee.
- Use draw tools to make shapes, borders, or animations.
- Use clear + display control to refresh or hide the screen — perfect for transitions.
