FastLED, switch off Modul?

Using Arduino Programming Questions
1

Hi,
how can I switch off a I2C OLED? Just by writing an empty string?

  oled.clear();
  oled.drawString(64, 15, F(""));
  oled.display();

I can switch it on with an connected motion detector. But I am not sure if the OLED is really switched off to save power after a period of time.

And another question: How can I rotate the screen 90°?

Thank you.

2

How can we tell you anything without knowing the exact display and the library or libraries that you are using?

Read the forum guidelines to see how to get the most from this forum.

3

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