VS1053 audio decoding module, and in addition to playing 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.
Parameter:
This module provides SPI interface, and the control signal lines are all led out
1 headphone and audio output interface
1 microphone for recording
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
HJ: 3.5mm headphone jack
MC: pickup microphone is available for recording
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
