Basic function of the USB downloading module:
1, 5 buttons onboard , is to control music playing/pause, last song/next song switching, and volume up/down.
2, connect to the computer through mini-USB port, works as U disk, and download MP3 songs from computer directly.
3, SPI Flash / TF Card is to store MP3 songs, and if both existing, Songs in TF card plays as priority.
4, onboard SPI Flash can realize its relevant functions, it is very economical.
5, 3W external power amplifer
There are two ways to download songs or record:
If the song is less than 4MB, you can copy MP3 songs to the board via Micro USB cable directly：
You can connect the micro usb port of mp3 Voice recorder with your PC or laptop's USB interface, then there will be a disk called" no name" show , open it and copy the mp3 songs to this disk.
If the song is more than 4MB, you need copy the MP3 songs to TF card, then insert the TF card into the card slot of the board
the speaker in the kit only works as a prompt sound effect speaker, if you need high quality songs playing, suggest you use other better and bigger speaker.
The songs or record format must be MP3
TF card is not included in the kit, you can prepare it by yourself.
1 X USB Voice downloading module
1 X Body infrared induction sensor module
1 X Speaker
1 X 3S AA Battery Case