Re: Turning a light on and off with momentary switch

From: Lord Garth (LGarth_at_Tantalus.net)
Date: 02/16/05


Date: Wed, 16 Feb 2005 21:59:43 GMT


"Chris W" <1qazse4@cox.net> wrote in message
news:2OOQd.63983$jn.59042@lakeread06...
> I want a circuit that will turn a light on with the press of a momentary
> switch and then turn it back off when the momentary switch is hit
> again. I had heard that a flip flop might be the way to go. After some
> reading, I have found that a flip flop is a much more complex device
> than I was lead to believe. I think a flip flop would some how do the
> job, but it is going to take some more reading before I figure out how.
> If you have been reading some of my other posts, you know that I want to
> turn on and off more than one light, so I need several of these
> circuits, preferably using the minimum number of components.
>
> Another option I would like to explore is to turn the light on and off
> using 2 inputs. Say we have in put A and B. If input B is high, when
> input A goes high, turn the light on, or leave it on. If input B is
> low, when input A goes hight, turn the light off, or leave it off.
>

Don't let a little flip-flop stop you. You should research the T flip-flop
and a debounce circuit for your clock input. That's the button that makes
it do it thing Chris, not a time of day clock!