This kit contains a PCB and all the parts needed to build a fun, 30-LED bargraph that can be driven by an Arduino or other microcontroller. This kit uses 74HC595 shift registers and three, 10-LED ...
This example code is in the public domain.
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 ...
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