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?

 

How much current does the seat require?

 

Your vehicle? Meaning Your Car??

 

Hello,

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

Quote:
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