How to Fix DFPlayer mini at first it's working but after 3 tries out of nowhere it sudden error

Projects General Guidance
1

I've connected the DFPlayer to my Arduino mega 2560 and out of nowhere the DFPlayer is not communicating/not working with my Arduino how to fix this? I've put some 1k resistor to Rx and tx

2

What physics law are you employing with that strategy?
Since you likely have not read the pinned post re 'How to get the most from this forum' it will be a while before we can figure anything out.

2 Likes
3

This topic was automatically closed 180 days after the last reply. New replies are no longer allowed.