Arduino LED Bar Graph Tutorial | Visual Level Meter & Progress Display
Create visual level meters, progress bars, and loading indicators with an LED bar graph and Arduino. This tutorial covers wiring a 10-segment bar graph LED array, controlling each segment, and mapping sensor readings to a visual bar display.
📊 What you'll learn and more topics to research:
• How LED bar graph arrays work
• Wiring a 10-segment bar graph to Arduino
• Controlling segments individually and as a level meter
• Mapping analog sensor values to bar graph levels
• Project ideas: battery indicator, sound level meter, signal strength
📌 Part of the Arduino Prototyping Basics: Outputs series.
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