When the LCD display 1 / 4D 1 / 3B lights up, the shadow is very serious.
Author:Niu Qingyuan Time:2021-07-20 12:28 Browse(19)
This has nothing to do with IO, LCD display brightness depends on LCD module and its peripheral circuit, IO only provides control signal and display data.
This has nothing to do with IO, LCD display brightness depends on LCD module and its peripheral circuit, IO only provides control signal and display data.. Add an I / O clear 0 statement to try ~.

When the LCD display 1 / 4D 1 / 3B lights up, the shadow is very serious.

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