what kind of switch do I need

I want to use a switch to control a voltage regulator output voltage by using 2 100k pots, what's the best way of switching between the 2 pots to output the 2 selectable voltage? (I lifted the pot off the regulator already)&

would a dpdt be up to the job or do I need extra circuitry?

thanks....

 

after probing around, the voltage divider is from the regulator output voltage through the pot and to ground through a 1k resistor

it's a 200 watt regulator and I have 1 spare, I'm working on the spare and when done I'll swap them over, having two regulators is a pain in the ass as you would have to disconnect one

it would end up being more work than what I'm doing

 

that was the problem I couldn't give you one as I hadn't yet worked out how lol

after going away and building it, I can now give you a schematic, up until that point I wasn't sure hence my question....

can't give you something neither of us knew how to do



if you're interested I'll build you a schematic....

 

the input voltage is only a couple of volts higher at 16v as the voltage spikes to 16v the constant current part limits the current to 10amps and the voltage should drop until the button clicks into position

 

anyway to be sure...

the button is configured to always supply a voltage divider so it will always be 1 or the other, in other words it never floats, I just confirmed it with an oscilloscope

 

nah, not in this instance

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