VS1053 is the most powerful chip of VS10xx series from VLSI company, it can play various music formats, also supports OGG real-time encoding recording.
The MP3 development board uses an AVR processor, and the board reserves an ISP interface for easy connection and use.
This module provides SPI interface, and the control signal lines are all led out
1 headphone jack 3.5mm and audio output interface
1 microphone for recording
1 Line in, Input mode selection is used to select the audio source for ADPCM recording.
If it is 0, the microphone input pins MICP and MICN are used, if 1, LINEIN is used
SPI: SPI download interface
Working voltage: DC 5V
Onboard 3.3V and 1.8V LDO chip AMS-1117, providing a maximum current of 800mA
Crystal oscillator working frequency: 12.288MHz
1 X VS1053 Audio Module MP3 Player Module