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Fan speed control by OP of amp.
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22nd Aug 2019, 11:50 am
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vidjoman
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Join Date: Jun 2013
Location: East Sussex, UK.
Posts: 3,326
Re: Fan speed control by OP of amp.
You could use 3 x 33 ohms in series with a thermal switch set to different temperatures across each resistor. That’ll give you 4 speeds getting progressively faster if the temperature rises too much.
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