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摘要


This design is mainly a MCU control of the creation of MP3 player, to achieve a variety of playback functions, a variety of storage methods, you can use U disk storage, can also use memory card storage, and through the key to switch the disk sign; Change the way the song is played in a loop; To randomly switch the top and bottom songs; The current time of playing songs, the number of songs in the storage medium, which song is currently playing, and the clock are all clearly displayed on TFT; Divide left sound channel and right sound channel adopts double loudspeaker to support stereo; Support mobile phone computer and other equipment output audio, to achieve the function of small speakers. The main modules of this design are STM32F103C8T6 minimum system module, XY-V17BMP3 module, LTK5128D class power amplifier module, DS1302 clock module, speaker module, LCD display module.

參考文獻


Jeb Jones, Travis H Sanchez, Karen Dominguez, Linda-Gail Bekker, Nancy Phaswana-Mafuya, Stefan D Baral, AD McNaghten, Lesego B Kgatitswe, Rachel Valencia, Clarence S Yah, Ryan Zahn, Aaron J Siegler, Patrick S Sullivan. Sexually transmitted infection screening, prevalence and incidence among South African men and transgender women who have sex with men enrolled in a combination HIV prevention cohort study: the Sibanye Methods for Prevention Packages Programme (MP3) project[J]. Journal of the International AIDS Society, 2020, 23.
Angelo Cesar Mendes da Silva, Maurício Archanjo Nunes Coelho, Raul Fonseca Neto. A Music Classification model based on metric learning applied to MP3 audio files[J]. Expert Systems With Applications, 2020,144.
Guo Xin. Design of electronic clock based on STM32 [J]. Journal of Mianyang Normal University, 2020, 39(11): 28-31.
Wei Jiangke, Chen Boheng. Design and research of MP3 player based on single-chip microcomputer [J]. Agricultural Staff, 2019(23):158.
Liu Chang, Wang Zhonghua, Li Ziqiang. Design of Intelligent Vehicle Voice Broadcasting System[J]. Management and Technology of Small and Medium-sized Enterprises (First issue), 2019(10): 163-164.

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