Arduino library that allows the user to control each LED in the bar graph, using both shift registers and 10-segment bargraph kits. The code is beerware; if you see me (or any other SparkFun employee) ...

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How It Works: A bar graph is a series of LEDs in a line. It’s made up of a row of LEDs with an analog input,which is a potentiometer. The Sketch The sketch first reads the input from the potentiometer ...

The use of this book as a jumping off point could have used a little help. For example, the LED bar graph uses 10 pins on the Arduino, which is great for an introductory example. However ...

A virtual COM port is created by Windows whenever the Arduino connects to the PC. A Windows-based application developed using NI LabWindows opens up the virtual COM port and starts plotting signals ...

This USB powered thermometer based on an Arduino Nano shows the temperature using a vintage Russian "nixie" style IN-9 bargraph tube. Besides the well known numerical nixie tubes, other types of neon ...

Sometimes, finding new ways to use old hardware requires awesome feats ... Far from it, in fact — the smoothly animated bar graph displays alphanumerics look fantastic. What’s cool about ...