SF5A ST5B Serial Port Voice Playback Module Board MP3 Music Playback Module DIY
ab 4,27 €
CX-ST5B Overview. 1, use the USB-TTL module CX-340 and CX-SF5A connection; respectively connected to 5V, UART_TX, UART_RX, GND; TX and RX cross-connect; connect the speakers or insert headphones; CX-340 connected to the computer USB.
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