TF Card MP3 Decoder Board 2W Amplifier Module for Arduino GM Power Supply Module

1.GPD2846A is a chip designed for MP3 players with FM radio function and LineIn function.

2. Main Features

Supports MP3 playback format.

Can play from T - card/SD card, U - disk, FM, and external audio source (LineIn). Playback starts with the last inserted device, and can also be switched via the Mode key.

Automatically detects whether the earphone is inserted, and directly switches the external power amplifier through the IO port (Mute) accordingly, without the need for an external triode.

Supports storing the volume level, number of songs, … in the T - card/SD card or U - disk, allowing users to save EEPROM.

Can automatically detect whether an external EEPROM is present to determine whether to store settings in the EEPROM, T - card/SD card, or U - disk.

Realizes various key combinations through 1 AD - key port.

Two sets of AD - key keyboards are available for selection.

Supports 3 types of FM radio chips: RDA5807, BK1080, and RTC6207E.

Does not support infrared remote control.

Does not support USB device mode.

Supports USB audio mode.

Package type: SOP16 package.

3. Product Applications

MP3 players with FM radio function, screenless mini speakers.