I was replying to Retro95s post where he said he was trying to get analog audio out and I said I think you just use PWM. As far as I know, PWM with a filter is as close to analog audio as you can get directly from a Pi.
Yeah that's the problem in a nutshell. StonedEdge's objection is that your post contributed nothing to the conversation. I had already listed i2c and PWM with a filter as the two available options to get analog audio out of a pi zero. You didn't add anything useful, like additional filtering options, a tutorial, or a different available off the shelf product to achieve the end goal. You just said "use PWM", which again, was already a stated option.
Retro's question was to Omar, asking
him if he'd assembled that filter circuit himself yet, and if so, how well did it work? There are a few iterations of the low pass filter that can be used. The one I linked is a bare bones one for simple perfboard hand wiring, so the question is very specific to Omar, and silently extended to anyone who has also assembled a filter of the same design or similar and can provide insight into its performance and assembly.
If you want to contribute to a discussion, or answer a question, great! More eyes on a problem leads to speedier solutions,
but, you have to ensure that what you're contributing to a thread is exactly that: a contribution. Add something. A new option, an article with more detailed steps and information (like StonedEdge did as I was typing this), some personal experience of how you solved a similar issue, something. What you posted was not helpful, is not the first time you've been unhelpful, and such posts are very much frowned upon here.
learn.adafruit.com
