Hardware MP3 and WAV player module with built-in 5W audio amplifier, memory card slot, headphone output and support for UART communication protocol. One-line single bus communication is supported, so we can change songs, stop and resume playback as well as control the volume. Thanks to the built-in amplifier, we can directly connect a 4ohm 3 ~ 5W speaker, the module supports memory cards in FAT16 and FAT32 formats up to 4GB. It has a microUSB port that allows you to upload files to a memory card. Switches on the board allow you to choose one of the 7 operating modes of the module. A complete list of commands and operating modes can be found on the product card in the downloads section below. Technical data: supply voltage 5V playable formats MP3, WAV sampling frequency 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48kHz 24-bit DAC SD card slot up to 4GB format FAT16 and FAT32 UART communication interface built-in 5W class D amplifier headphone output 7 operation modes set with jumpers dimensions: 40mm x 40mm https://elecena.pl/product/22624894/dy-sv5w-mp3-player-audio-playback-module-5w-amplifier 2023-02-23 https://elecena.pl/product/22624894/dy-sv5w-mp3-player-audio-playback-module-5w-amplifier 2024-12-17 https://elecena.pl/product/22624894/dy-sv5w-mp3-player-audio-playback-module-5w-amplifier 2025-10-26 https://elecena.pl/product/22624894/dy-sv5w-mp3-player-audio-playback-module-5w-amplifier 2025-10-28