MPPT arduino solar charger cooling fan

This MPPT solar charger is build around Tim Nolans open source MPPT solar prototype project. I made a print layout for the MPPT solar charger, and below you can se how the mechanical mounting was meant to be.

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This picture show a salvaged Pentium 4 cooling plate with fan mounted on top of it.
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The complete MPPT solar charger is mounted to the cooling plate, using a aluminium U profile, where the MOSFETs and voltage regulator are placed.
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The picture above shows the aluminium U profile, as You can se it is a few millimeters to wide..
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To complete the mppt solar charger project, i still need to do some work with a plastic cabinet, and also i will make some kind of temperature controlled PWM speed adjustment for the fan.

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