Four-digit seven-segment digital tube pin diagram

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The four internal digital tubes share the 8 data lines a~dp, which is convenient for people's use. Because there are four digital tubes in it, it has four common terminals, plus a~dp, a total of 12 references. The foot, below is the internal structure of a four-digit digital tube (the opposite of the common yang). The pin arrangement is still starting from the foot (1 pin) in the lower left corner, and is 1~12 feet in the counterclockwise direction. The numbers in the figure below correspond to one of the numbers.