1. Built-in high-quality audio decoding chip, high audio reproduction.
2. Support to play audio files in MP3 format.
3. Built-in 8MB memory, can store MP3 audio files for about 8 minutes.
4. Configure TF (micro SD) card slot, maximum support 32GB TF memory card.
5. Connect the module to the computer through the USB cable of the Android phone to download or replace the voice file, and the computer is simulated as a U disk.
When the TF memory card is inserted, the TF memory card is read directly on the computer, and if the card is not inserted, the internal memory of the module is read.
6. Multiple voice files can be stored, and the human body sensor probe will play the next song after each trigger.
7. Built-in 15W Class D amplifier, can directly drive 15W 8 ohm or below speakers.
8. The volume can be adjusted by the blue potentiometer on the module, the volume is turned counterclockwise and the volume is turned clockwise.
9. Configure the load output, you can connect LED lights (or LED lights), warning lights (without motor rotation); while the voice is playing, the lights will turn on synchronously, the voice stops, and the lights are off.
10. Configure Busy signal output, and output signals to external relays to control other devices while playing voice.
11. In addition to being connected to the human body sensor probe, the single module can also trigger playback via a button switch or relay.