Voice Playback Module Board MP3 Music Player 5W MP3 Playback Serial

Type : SATA Cables Origin : Mainland China Certification : NONE Pin Definition: pin name Pin description 5V power supply negative Connect to the negative pole of the 5V power supply (GND) 5V power supply positive Connect to the positive pole of the 5V power supply TXD/IO0 In IO trigger mode, it is the input pin IO0; in UART control mode, it is the TX pin, which is connected to the RX of the control terminal (MCU). RXD/IO1 In IO trigger mode, it is the input pin IO1; in UART control mode, it is the RX pin, which is connected to the TX of the control terminal (MCU). IO2 IO trigger mode input pin IO2 IO3 IO trigger mode input pin IO3 IO4/ONE_LINE IO trigger mode input pin IO4; One_Line one-line serial port control mode data receiving pin IO5 IO trigger mode input pin IO5 IO6 IO trigger mode input pin IO6 IO7 IO trigger mode input pin IO7 BUSY Output low level (0V) when playing a track, and output high level (3.3V) at the end of playback GND Reference ground terminal (connect to control terminal GND) Shipment 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. 6. If you have not received your orderafter 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 7. Delivery Time: Return amp; R