Once you have everything designed, if you yourself or someone you know can put together an Eagle or similar popular software CAD file for the board(s) you can have it custom built for you, probably for cheaper than it would cost to buy a retail power supply. I've been doing the same thing for my LED array drivers.
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On Tue, Jan 3, 2012 at 22:17, John Griessen <john@industromatic.com> wrote:
On 01/03/2012 07:44 PM, Nathan McCorkle wrote:The circuit of http://www.discovercircuits.com/PDF-FILES/xenfls1.pdf has a 2.2k resistor
ohn this circuit lists a 1.5V trigger, would this be appropriate for
being driven by a photo-isolated Atmega?
http://www.discovercircuits.com/PDF-FILES/xenfls1.pdf
in series with the gate of an SCR. The SCR gate needs some volts, but not too much or it
will be hurt. It does not push back any -- the SCR latches up once it is on until the volts all
go down -- so you can feel your microcontroller GPIO pin is safe. You need to figure the
power dissipation of the pulse going to the SCR gate and keep it in spec for the SCR
so its gate doesn't burn up.
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