M5Mp3 Winamp Player for Cardputer-Adv (video)

YouTube Excerpt: M5Mp3 Winamp Player for Cardputer-Adv - Video Description Projec Overview This video demonstrates a fully functional Winamp-style MP3 player running on the **M5Stack Cardputer-Adv**. The project is an adaptation of the original M5Mp3 by VolosR, completely rewritten to work with the Cardputer-Adv's ES8311 audio codec and built-in display. ** GitHub Repository:** https://github.com/AndyAiCardputer/mp3-player-winamp-cardputer-adv **Original Project:** [VolosR/M5Mp3](https://github.com/VolosR/M5Mp3) ## What You'll See - **Classic Winamp Interface** - Authentic retro look with animated visualizer - **MP3 Playback** - Smooth audio playback from SD card - **Full Controls** - Play/pause, next/previous track, volume, brightness - **File Browser** - Scroll through your music collection - **Battery Indicator** - Real-time battery level display - **Visual Equalizer** - Animated bars that react to music ## Technical Highlights ### Audio System - **ES8311 Audio Codec** - Native support via M5Cardputer.Speaker API - **ESP8266Audio Library** - MP3 decoding with custom AudioOutput class - **Triple Buffering** - Smooth playback without glitches - **Stereo to Mono Conversion** - Optimized for Cardputer-Adv's mono output ### Display & Interface - **240x135 Built-in Display** - Perfect for the Winamp interface - **FreeRTOS Multi-tasking** - Separate tasks for display and audio - **Smooth Animations** - 25 FPS display updates - **Scrolling Track Names** - Long filenames scroll automatically ### Key Adaptations - Replaced ESP32-audioI2S with ESP8266Audio - Created custom AudioOutputM5CardputerSpeaker class - Removed I2S pin configuration (uses ES8311 API instead) - Replaced ESP32Time with simple millis() timer - Added MP3 file filtering ## Hardware Requirements - M5Stack Cardputer-Adv - microSD card (FAT32 formatted) - MP3 files ## Controls - **A** - Play/Pause - **N** - Next track - **P** - Previous track - **V** - Volume up (cycles: 5→10→15→20→5) - **L** - Brightness control - **B** - Random track - **ENTER** - Restart current track - **;** / **.** - Scroll through file list ## Code Structure The project uses FreeRTOS tasks running on different CPU cores: - **Task_TFT** (Core 0) - Handles display updates and keyboard input - **Task_Audio** (Core 1) - Manages MP3 decoding and playback Audio pipeline: SD Card → AudioFileSourceSD → AudioFileSourceID3 → AudioGeneratorMP3 → AudioOutputM5CardputerSpeaker → M5Cardputer.Speaker (ES8311) ## Installation 1. Install ESP8266Audio library via Arduino Library Manager 2. Format SD card as FAT32 3. Copy MP3 files to root directory 4. Upload code to Cardputer-Adv 5. Enjoy your music! ## Credits - **Original Project:** VolosR/M5Mp3 - **Adaptation:** AndyAiCardputer - **Hardware:** M5Stack Cardputer-Adv - **Audio Library:** ESP8266Audio by earlephilhower ## Tags arduino, esp32, m5stack, cardputer-adv, mp3-player, winamp, es8311, audio, retro, music-player, esp8266audio, freertos, sdcard, pcm, mono-audio, embedded-systems, diy-electronics, retro-computing, music-tech --- **Like this project?** ⭐ Star it on GitHub! **Questions or suggestions?** Open an issue on GitHub or leave a comment below!

M5Mp3 Winamp Player for Cardputer-Adv - Video Description Projec Overview This video demonstrates a fully functional Winamp-style MP3 player...

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