Re: Reading serial port lines

From: Maarten Wiltink (
Date: 10/13/04

Date: Wed, 13 Oct 2004 23:15:46 +0200

"Dr John Stockton" <> wrote in message
> A bi-stable with set and reset driven from a s.p.d.t. switch is
> good, but does need an extra wire.

That sounds like the circuit I remember. This makes it an SR-latch,

Maarten Wiltink