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
[i=s]This post was last edited by nemo1991 on 2017-7-29 22:05[/i] [align=left][color=rgb(51, 51, 51)][font="]The production of component packages is the first step in schematic and PCB design. It is f
The encoder AB phase signal enters the dsPIC30F2010 through 74HC14. The hardware is tested with an AB phase signal with a frequency of 100kHz. The QEA and QEB pins of the dsPIC30F2010 are measured. Th