I have asked quite a few questions to get my ShowStopper LED lighting controller going, and it's finished. However, through all 5 PCB revisions so far, When the bluetooth module is connected to an Android phone ( Recommendations For You - DealeXtreme ), everything is beautiful, as soon as the bluetoot…

TTL Serial noise affecting entire board

system March 21, 2013, 6:15pm 7

Please allow me to rephrase the question, is it safe to add a capacitor in parallel with RX and TX?

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