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1  Using Arduino / Audio / 11.5V on PGA2310 audio output on: April 10, 2011, 12:20:53 pm
I have connected a PGA2310 to the arduino as described on I have then added power and audio, and thats it. But trying to connect the amp just gives me a very loud buzz. I measured the audio out lines, and got 11.5V. That cant be right?

Ive attached a diagram of my own connections. What am I doing wrong?

Sorry if this is a really stupid question, but Im new to this and Ive been trying for hours with no luck.


2  Using Arduino / Audio / Re: Im having trouble communicating to a PGA2310 chip on: March 20, 2011, 08:06:25 am

I'm currently trying to do the same thing, replacing a normal volume pot with a digital arduino based solution. I haven't seen any schematics of how anyone have connected the actual amp to the PGA2310 and I was wondering if it requires any additional hardware. Or do I just connect the lines and that's it?

Thanks in advance!

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