I have a little speaker with a pam8403 amplifier. I also have a teensy which is outputting audio through the audio shield.
When the teensy and the speaker are powered by different batteries, it works fine - the speaker plays the audio as...
Thanks for your help - unfortunately line out is still distorted. Less distorted than the audio jack, but it sounds like a loud square wave rather than a sine wave. At this point, do I just have a faulty audio adapter?
Thanks Mark - I tried it with headphones and it's still distorted, but it's much quieter.
If I'm going to use a mini speaker in this project, how should I wire it up? Normally what I do is take it apart and solder the input wires directly onto...
Here is a video showing what I mean.
This is just a test sketch playing a waveform through an envelope ever 500ms, but I've run some of the example sketches too, and all the audio is coming out distorted. It's a fully charged li-po, and a mini...