Features
- No soldering required with easy wiring for quick integration
- Onboard 2W mono amplifier, up to 3W output at 5V
- Direct connection to 4 ohm 3W speaker
- 3.5mm gold-plated headphone and audio output jack
- Micro USB port for power supply and battery charging
- Supports TF card and USB flash drive playback
- Automatic playback on power-up
- Red LED indicator flashes during MP3 playback
- Push-button control for play, pause, volume, and mode selection
Specifications
- Power Supply Range: 3.7V to 5.5V
- Operating Voltage: 3.8V to 5.4V
- Output Power: 2W nominal, up to 3W at 5V
- Speaker Support: 4 ohm, 3W speaker
- Audio Output: 3.5mm jack
- Supported Formats: MP3
- TF Card Support: Up to 16GB
- USB Flash Drive Support: Up to 32GB (5V only)
- Product Size: 47mm x 34mm
Operating Instructions
- Buttons allow song selection, volume adjustment, play or pause, and mode switching
- Default playback mode on power-up is all-song play
- If TF card is not detected, the module automatically switches to USB mode
Button Functions
- Prev / V--: Short press for previous track, long press for volume down
- Next / V++: Short press for next track, long press for volume up
- P / P / Mode: Short press for play or pause, long press to switch between TF card and USB mode
- Repeat: Short press to toggle between single-track and all-track playback
Pinout of the Module
Applications
- Arduino and microcontroller audio projects
- DIY MP3 players
- Embedded sound systems
- Portable audio devices
- Educational and hobby electronics projects
Features
- No soldering required with easy wiring for quick integration
- Onboard 2W mono amplifier, up to 3W output at 5V
- Direct connection to 4 ohm 3W speaker
- 3.5mm gold-plated headphone and audio output jack
- Micro USB port for power supply and battery charging
- Supports TF card and USB flash drive playback
- Automatic playback on power-up
- Red LED indicator flashes during MP3 playback
- Push-button control for play, pause, volume, and mode selection
Specifications
- Power Supply Range: 3.7V to 5.5V
- Operating Voltage: 3.8V to 5.4V
- Output Power: 2W nominal, up to 3W at 5V
- Speaker Support: 4 ohm, 3W speaker
- Audio Output: 3.5mm jack
- Supported Formats: MP3
- TF Card Support: Up to 16GB
- USB Flash Drive Support: Up to 32GB (5V only)
- Product Size: 47mm x 34mm
Operating Instructions
- Buttons allow song selection, volume adjustment, play or pause, and mode switching
- Default playback mode on power-up is all-song play
- If TF card is not detected, the module automatically switches to USB mode
Button Functions
- Prev / V--: Short press for previous track, long press for volume down
- Next / V++: Short press for next track, long press for volume up
- P / P / Mode: Short press for play or pause, long press to switch between TF card and USB mode
- Repeat: Short press to toggle between single-track and all-track playback
Pinout of the Module
Applications
- Arduino and microcontroller audio projects
- DIY MP3 players
- Embedded sound systems
- Portable audio devices
- Educational and hobby electronics projects