Raspberry Pi - Display and Output
Given the following Python code snippet for an SSD1306 OLED display, what will be the visible output on the screen?
oled.fill(0)
oled.text('Hi', 0, 0)
oled.show()Given the following Python code snippet for an SSD1306 OLED display, what will be the visible output on the screen?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the code sequence
The buffer is cleared withfill(0), then 'Hi' is drawn at coordinates (0,0).Step 2: Understand coordinate system and show()
Coordinates (0,0) place text at top-left. Callingshow()updates the display.Final Answer:
The text 'Hi' appears at the top-left corner -> Option DQuick Check:
Text at (0,0) shows top-left [OK]
Quick Trick: Text at (0,0) is top-left on OLED [OK]
Common Mistakes:
MISTAKES- Assuming text() needs more arguments
- Thinking (0,0) is bottom-right
- Forgetting to call show() to update
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