4 Buttons Triggered MP3 Player Board with 10W Amplifier and Solder Pads

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Quantity on Hand : 217
Skill Level : Assembled and Tested
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    • A high-quality audio decoder which, supports MP3 and WAV audio formats.
    • Works with most Windows, Mac, and Linux systems
    • Sampling rates supported: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1/48 (KHz).
    • 24 bit DAC output and supports dynamic range 90dB and SNR 85dB.
    • Supports one-on-one 4 button trigger control mode and RS232 serial port control mode.
    • In button control mode, it plays back 4 sounds one-on-one by negative triggering.
    • Uses MicroSD card and the built-in SPI flash memory as storage.
    • Built-in 4MB SPI flash memory by default.
    • Supports max. 32GB micro SD card.
    • Possible to load audio files to the flash memory directly via the micro USB port. Connecting to computer is similar to using a USB flash drive with PC.
    • A built-in mono 10-watt amplifier that can drive a 10 watt (8-ohm) speaker directly. Or  5 watt (if using the 4-ohm speaker) 
    • Equipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or to connect with an external amplifier.
    • Adjustable sound volume with the onboard potentiometer.
    • Wide range for power input (DC 8-24V).
    • PCB size: 52mmx49mm

     Technical Parameters:

    • Working voltage: DC 8V-24V
    • Working current: ≤400mA (Input: DC12V)
    • Working current if payback through headphone jack only: 30mA (Input 12V DC)
    • Standby current: 10mA (Input 12V DC)
    • Power Consumption: ≤10W
    • On-board flash memory size: 4MB
    • Audio format: MP3 and WAV

    K1, K2, K3 and K4 are Normally Open (N.O.) manual buttons. TX port and RX port are used to connect with a MCU, through which serial commands are sent to control the module.



    Use this board to build a Sound Glove. See details on this page

    Make this module motion activated: External PIR Motion Sensor PIR-001 or PIR-002

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