Cannot get DFPlayer Mini to work with arduino (works without arduino)
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I have tried to connect this player mini so many times, I can't figure out what I'm doing wrong. When I ground pin 11, my sound file plays just fine. So I think the module is ok. I've tried using the breadboard, and I've tried without the breadboard. I've tried the sample code, and code from folks online. No matter what, I can't get passed initialization.
Photos of the current non-breadboard setup
![](https://dfimg.dfrobot.com/66d86845aa9508d63a43e47f/enshopforum/83e4ebf6f2e1ba3400792612032b4d9c.jpeg)
![](https://dfimg.dfrobot.com/66d86845aa9508d63a43e47f/enshopforum/8bdfc65532b5611ea586649e43a94d22.jpeg)
![](https://dfimg.dfrobot.com/66d86845aa9508d63a43e47f/enshopforum/c82705a0c2646a0f4a4940936d42ef5a.jpeg)
I've got the speakers hooked up to spk1 and spk2. Ground into ground on the arduino. 5v in on the top 5v pin. rx with a 1k resistor into 11 pin, and tx to pin 10.
When the arduino boots, I hear the speaker pop and then I get the “non initialized” error from the code.
Any ideas what I'm doing wrong here?
Thanks!
I figured out that this works fine on the R3, but not the R4. I don't know yet why it won't work on the R4.
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