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@mmalex @GregDavill I followed the ICEblink40 schematics (theres four cap buttons on the evaluation board) - weak external pullup on a GPIO, cap to ground. Then ground the pin through IO, measure how many cycles it takes to rise to logic highPermalink On twitter.com
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@mmalex @GregDavill my schematic says 10k pullup, 100pF cap, but I don't remember if thats what I left it at, it was meant to be figured out with some trial and errorOn twitter.com