Hi Yadda,
Actually I have been looking at PICs
I do like that Idea...
I have worked with PICs in the past
so,..maybe I'll do some searching for a good one.
One circuit I have devised is a "bang-bang" PWM
since we only need to go in one direction ..
but it is somewhat combersome to use..
It is a few op-amps and a MAX 1968 and a FET.
Unless you already have a source for the program for the PIC
that would be great
It really needs to be small to fit in the module we use now...
as there is not much room...however.
I am about to combine a couple of diodes in my next
experiment..
And that will be in a different mount.
Yes, keeping it just below ambient works ok..
There is a need...Like -- Holography
where the wavelength must be extremely stable.
What we were wanting to do for the lasershow modules is---
drop the temp way on down, and get the wavelength way down as well..
It is very dificult to do without damage to the diodes..
I have tried multiple times , Tests done on a SDL-820 controller
show to make any real difference in brightness at least to my eyes
it must go down at least to 10degress c ..from 30c
this is the area where condensation starts to form
no matter what you do..
So, with that in mind we must enclose the whole assembly.
I have talked to many engineers who have also been where I am at.
And they agree.
So, I've got some work ahead of me....
There are a lot of days we get 90 percent humidity down here...argh.
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*^_^* aka PhiloUHF