MP3 audioshield VS1053 voor Arduino
1, VS1053 is currently the most powerful VLSI company VS10xx series chips, in addition to be able to play a variety of music formats, it also supports OGG audio real-time encoding
2, SPI interface, the control signal lines are drawn
3,1 and stereo headphone output interface
4,1 microphone for recording
5,1 months line_in input interface
6, the power indicator
7, on-board 3.3V and 1.8V, LDO chip AMS-1117, the largest provider of 800mA current
8, a single power supply: + 5VDC, capacitor filter
9,12.288Mhz crystal