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The Arduino Nano LED bar graph display features a series of LEDs arranged in a linear or rectangular configuration. It visually represents data or levels, such as volume, temperature, or battery ...
SparkFun Bar Graph Breakout Kit (DEV-10936) Arduino library that allows the user to control each LED in the bar graph, using both shift registers and 10-segment bargraph kits.
This USB powered thermometer based on an Arduino Nano shows the temperature using a vintage Russian "nixie" style IN-9 bargraph tube.
Take a gander at the Giant LED bar graph which [Chunky Hampton] recently completed (from this image we don’t think the nick name suits him). It’s simple both mechanically and electrical… ...