The controller uses one or more ordinary silicon diodes as a sensor, and uses a cheap opamp as the amplifier. I designed this circuit to use 12V computer fans, as these are now very easy to get ...
The CPU OPT header is an additional connection for special processor cooling accessories, such as specialized coolers with multiple fans or water-cooling components. Functionally, CPU OPT is identical ...
This neat little cube not only cools you on a hot summer day, it'll stream you warm breezes when the weather turns cold. The desk fan/heater also looks really nice and is built with ambient LED lights ...
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