- Supports sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48
- 24-bit DAC output; dynamic range support 90dB; 85dB SNR support
- Supports FAT16, FAT32 file system, TF card(maximum capacity 32G), USB 32G, NORFLASH(64M bytes)
- A variety of control modes: serial mode, AD button control mode
- Supports inter-cut announcement by pausing the ongoing background music
- Sort the audio data by folder; supports up to 100 folders with every folder assigned to 1000 songs
- 30 level volume adjustable, 10 EQ adjustable
- External spi flash if connected to the computer, can display spi flash drive to update the content
- Play the specific music through the Microcontroller serial
- In the button mode, you can choose play modes: pulse repetition, pulse cannot be repeated, the level of non keep recycling, maintain levels of circulating
RM13.80
- Tested board comes with a 20-20KHz electret microphone soldered on.
- Use the Maxim MAX4466, an op-amp specifically designed for this delicate task
- Has excellent power supply noise rejection, good amplifier sounds
- With Adjustable Gain Module is best used for projects such as voice changes
- Audio recording/sampling, and audio-reactive projects that use FFT.
- Rail-to-Rail Outputs
- Low 24µA Quiescent Supply Current
RM7.90