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Thread: Audio Board Line in transient protection

  1. #1
    Junior Member
    Join Date
    Mar 2019

    Audio Board Line in transient protection

    First, thanks in advance for any assistance and your patience.
    I'm working on an audio reactive LED project using Teensy 3.5 + Audio Board with a line in source.

    Any suggestions on protecting the Teensy and audio board from voltage spikes/transients that might come from the line in?

    edit: despite looking for days and not finding any mention anywhere using terms I knew, five minutes after posting this question I came across "DC Offset". This is, I suspect, what it is I am hoping to protect my teensy from. Or not. Whatever it's called when line-in is plugged in and it causes smoke - that's what I want to avoid (again). i'm continuing to look into this myself, and would still be grateful for any assistance from the forum members here. I'm learning as fast as I can - right now I feel like I still have so much to learn I'll never get beyond the "knows just enough to be dangerous" stage!
    Last edited by campfool; 07-25-2019 at 12:08 PM. Reason: Gained knowledge!

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