Dear experts, I have transplanted the ucgui library to the STM32 development board of Fendou, and copied the library to the MP3 player project, which is the project that comes with the STM32 developme...
[i=s] This post was last edited by shaorc on 2017-12-11 08:34 [/i] [Ask if you don't understand] The picture is the schematic diagram of the question. Vcc is a constant current charge. U1 and U2 are t...
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