VS1053 Audio MP3 Player Module Audio Decoder Board Development Board Onboard Recording Function with Amplifier SPI
$115.02
SKU: EB0051130
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SPI interface, the control signal line leads
1 headphones and audio output interface
1 a microphone for recording
1-line_in input interface
The power indicator
On-board 3.3V and 1.8V LDO chip AMS-1117, the largest provider of 800mA, single power supply: +5 VDC, capacitor filter 12.288 Mhz crystal
Interface:
HJ: 3.5mm headphone jack interface
MC: Pickup, microphone for recording
LINE IN: Input mode selection, used to select ADPCM, if the sound source of the recording is 0, the microphone input pins MICP and MICN are used, if it is 1, LINE IN is used.
SPI: SPI download interface