yes if the creator is still around Please could you possibly give a circuit diagram please just clear things up

[clivec]

Re: MP3 player with RGB-signal LED (optionally battery powered)
I want to use this for some space 1999 unit around the house it would be great if the
circuit diagram please
was available please , just o clarify the battery side of things .
How do we send asci text to the unit as well please ?? want to pop some sound effect on the sd card ,, yes yes space1999 sound effects

[ejlane]

@mutantx Is there something lacking from the circuit diagram on the openhardware page? I'm not the original creator, but it seems like everything is on there.
https://www.openhardware.io/uploads/58f4f976bacb0bcc79a15e93/394/DFPlayer_NRF_ProMini2_4.5V_Steckplatine.png