This kit includes:
The FN-T418 MP3 player board
4 push buttons with 15cm leads
A 1-watt speaker (57mm diameter and 12mm high） with 15cm of wire connected.
3 x AA battery holder with 15cm leads
Features of The FN-T418 MP3 Player Board
Uses a micro USB port to directly plug into the USB port of the PC for easy use of the sound module.
Built-in an 8MB flash memory, which is able to store a total of about 8 minutes long MP3 files of 128Kbps.
Support audio format: MP3 and WAV
Able to play multiple audio files per button.
Built-in a class D 3Watts amplifier IC and a 3.5mm audio jack for stereo output
Directly drives a 0.5Watts to 3Watts (4ohms to 8ohms) speaker
Volume is adjustable by adjusting the blue potentiometer
Built-in headphone output for easy use if the external speaker is not something that will work with your project.
4-Key Operations with 7 Triggering Modes
0: Short press the button to start playing, and during playing, if you press the button again, the playback will be
interruptible and it will play from the beginning.
1: Press the button and hold to start playing repeatedly, and when the button is released the board stops playing.
2: Short press the button to start playing, and during playing, if you press the button again, the playback will be
3: Short press the button to start playing repeatedly and press the button again to stop.
4: Press the button and hold to start playing once, and when the sound file goes to the end, the board stops
5: Interruptible and switches to the next sound file.
Each trigger mode can be set easily with a config file (read.cfg).
Working voltage: 3.7-5V DC
Working current: ≤200mA
Standby current: 0μA
Suitable to be powered with 3 x AA, 3 x AAA batteries, or a Li-ion battery
PCB size: 50mm x 34mm
Height of the module: 14mm