WAV / MP3 Voice Module Sound Player 16MB FLASH, Programmable Control, USB Download FLASH Port
- Support MP3, WAV high quality audio format files.
- 24-bit DAC output with 93dB dynamic range and 85dB signal-to-noise ratio.
- Full support for FAT16, FAT32 file system, maximum support for 16M FLASH, 32G USB disk.
- Support UART asynchronous serial port control: playback, pause, up and down music, volume addition and subtraction, song selection, insert and so on.
- The ADKEY function allows 5-button control and other functions of the standard MP3 function through resistor selection.
- Built-in volume, track power-down memory function.
- Support USB connection to the computer to download sound.
- With 3W power amplifier, you can directly play the external speaker; if the volume is not enough, the customer can also connect the amplifier.
- Operating Temperature: -20℃~85℃
- Operating Humidity: 5% ~ 95% RH
- Module Size: 24*19*11.5mm
Pins：
- SPK2 external passive speaker (directly connected to the two ends of the passive speaker)
- SPK1 external passive speaker (directly connected to the two ends of the passive speaker)
- DP connection USB disk or USB connection computer to download sound
- DM connection USB disk or USB connection computer to download sound
- 5V power supply positive (DC 3.4 – 5.5 V)
- BUSY Outputs high level during playback, pauses or stops low
- TX UART asynchronous serial data output (3.3V TTL signal)
- RX UART asynchronous serial port data input (3.3V TTL signal)
- ADKEY A variety of button function selections through resistor values
- DACR right channel audio signal output (can be connected to a single dual channel amplifier)
- DACL left channel audio signal output (can be connected to a single dual channel amplifier)
- GND System Ground