Raspberry Pi Control Digital tube display

Source: Internet
Author: User

1. Effect display

2. Hardware devices

In a treasure bought a 4-bit common yin digital tube. 4 Number of common one cathode, altogether 12 pins. One of the 6,8,9,12 is a common-yin pin.


Each number consists of A-g 7 diodes and a point DP. Because it is bought online without detailed device manuals, you can only test the pin and the digital diode on the corresponding relationship.


You can see that the number 12th pin corresponds to the first digit of the common yin pin, the number 1th pin corresponds to the digital e. Test in turn, with the following results:



Raspberry Pi Control Digital tube display

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