Octopus MP3 Player Module

Description

The Octopus MP3 Player Module (ElecFreaks EF04104) is a tiny and delicate sound module with onboard loudspeakers, it is able to play music stored in the TF cards via the program.

• Controls the volume, files, and on/off status via the program
• Reads TF cards directly
• Features on-board loudspeakers, plus an earphone port for connecting a loudspeaker box
• 24-bit DAC output

Specifications

• Core IC: YX6300
• Working voltage: 3.3 V
• Connection: 3-pin wire, digital
• Supported sampling rates: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 kHz
• Dynamic range: 90 dB; SNR: 85 dB
• Storage: FAT16 and FAT32 TF (microSD) cards up to 32 GB

Preparing the TF card

Folders must be named with 2 digits (01–99), and MP3 files must start with 3 digits (001–999), for example 002Palace.mp3. In MakeCode, add the extension pxt-mp3player to control the module from a micro:bit.