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Arduino & IoT Academy · Lesson

Animate a Bar Graph

Visualize a changing sensor as a moving bar.

Why a Bar Graph

Numbers are precise, but a bar tells the story instantly. A growing bar shows a rising sensor value far faster than reading digits. 📊

Start From a Reading

Animation begins with fresh data. Each loop you grab a new sensor value, for example an analogRead that lands between 0 and 1023.

int value = analogRead(A0);

All lessons in this course

  1. Wire & Init an SSD1306 OLED
  2. Draw Text in Multiple Sizes
  3. Lines, Rectangles & Circles
  4. Animate a Bar Graph
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