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TinyPlayer

IR Remote Controlled MP3 Player based on ATtiny 13A

Stefan WagnerStefan Wagner
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  • Stefan WagnerStefan Wagner

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attiny attiny13 ATtiny13a dfplayer mp3 audio ir avr arduino pcb

This project was created on 06/17/2021 and last updated a month ago.

Description

TinyPlayer is an IR remote controlled and LiPo battery powered MP3 player based on ATtiny13A and DFPlayerMini module. The DFPlayer module is controlled via a simple cycle-precise software implementation of the UART protocol (8N1, 9600 BAUD) in half-duplex mode. The volume last set as well as the track number last played are saved in the EEPROM and automatically loaded the next time it is started. TinyPlayer has a built-in battery charging circuit, which is supplied with power via a USB-C connector. You can directly connect a 3.7V LiPo battery and a 3W/4Ohm speaker to the board.

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