I need DIY PCB MP3 Player with TF Card, Mini USB and 3.5 mm Jack , and volume resistor which I could preset to max.
I need Control DIY MP3 player with just 2 buttons on wires. One button function shouls Play and Pause. Another button is Next /Previous track. Short/long press could be used for one button. Or one quick press or 2 quick presses
Here is name of the Module from Aliexpress: Voice playback module MP3 player IO trigger playback Serial port control playback DY-SV5W
Here is the link: [login to view URL]
Could be different but similar MP3 Player Module with TF Card and USB Power supply and Volume control resistor and 3.5 mm audio jack.
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I'm a computer and systems Engineering student. I have been working on PCB circuit design for a long time and I have more than three years experience in it.