> There's nothing wrong with what they describe in AN521. It
> needs to be modified to suit your application

Unlike code, AN521 has safety issues

> If you design something to attach to AC, you need to
> understand what's required to make it work

It might be assumed though, by someone who doesn't know
better (eg the OP, no offense), that AN521, as presented by
Microchip, is authoritative and safe

> Microchip should include a disclaimer as they did with AN954.
> But it should stay on their website, the ideas it contains are
> totally valid.

I agree it could stay although MC should add IFs ANDs BUTs.
They won't of course, unfortunately, so we'll be seeing this thread
again

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