Low-medium-hi control circuit

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unbwogable

Joined Feb 11, 2009
3
I'm retrofitting my vehicle with heated seats. I'm looking to use an LM338 to control the heating element, and I need a circuit that will allow me to vary the resistor value, adjusting the output voltage as a result. What I'm really after is a circuit that I can push a button and have it 'step' to the next resistor value. I've scoured the internet, and even attempted a few circuits myself, no luck. Anyone have any ideas?
 

Wendy

Joined Mar 24, 2008
21,906
Hello,

I am closing this thread as it violates AAC policy and/or safety issues.

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