led digital tube (LED Segment Displays) is composed of multiple light-emitting diodes packaged together to form a "8" type device, the lead has been connected internally to complete, only need to lead out of their individual strokes, the public electrode. led digital tube commonly used for the number of segments is generally 7 segments with a decimal point, there is a similar 3-digit "+1" type. One is similar to the 3-bit "+1" type. The number of bits has half, 1, 2, 3, 4, 5, 6, 8, 10 and so on ,The led digital tube is divided into two categories, common negative and common positive, according to the different connection methods of the LED, it is very important to understand these characteristics of the LED for the programming, because different types of digital tubes, in addition to the differences in their hardware circuits, programming methods are also different
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How to Use
Separately, a, b, c, d, e, and f, g, and dp to the Arduino's 4, 5, 6, 7, 8, 9, 10, and 11. call the function for the number you need to display