[simpits-tech] Circuit question - plus another for Gene

[Rob Hommel]

would a logarithmic pot work instead of a linear pot? Log pots are typically used for sound as they vary for Db changes.

Keep 'em Flying
Rob Hommel 

----- Original Message -----
From: cyplesma at aol.com
To: simpits-tech at simpits.org
Subject: Re: [simpits-tech] Circuit question - plus another for Gene
Date: Mon, 03 Dec 2007 00:53:51 -0500


 

 If your more mechanically inclined, and depending on your room available with your design or whatever it is your using.

you could have some momentary switches (or opto switches) be pressed (blocked/not blocked) based on the position of the slider.

 
-----Original Message-----
From: Brian Sikkema <bjsikkem at gimail.af.mil>
To: simpits-tech at simpits.org
Sent: Sun, 2 Dec 2007 9:39 pm
Subject: [simpits-tech] Circuit question - plus another for Gene


Hey guys, quick q for ya.

I'm thinking of building a circuit, and basically
what I need is this: I have seven LEDs that need to
be lit up in sequential order as a linear pot is
moved. So basically as you slide the pot from one end
to the other, the LED's all light up (only one lit at
any given time) from one end to the other.

Idealy it could be adjusted so each LED lights up at
a specific resistance, as I need it to be a little
non-linear at spots - i.e. I for a couple, the pot
would need to be moved 1/2" to move on to the next
light, then for others it would only need to be moved
a 1/4".

Somewhat confusing, I know... but it seems like it
should be doable. But I'm no EE so I dunno how.
Simpler the better, though. Not looking to sink a
whole lotta money or time into this project.

As to my second question, Gene how thick are those
backlit panels you make? Do you think you could make
one roughly 1/8" thick, or would that be too thin?

Bria

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