Anemometer by wtremmel 3d model
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Anemometer by wtremmel

Anemometer by wtremmel

by Thingiverse
Last crawled date: 3 years, 2 months ago
Anemometer constructed in FreeCAD. Several parts who all fit together. Top can be glued on. All screws are 3mm - various lengths needed. Also a ball bearing is needed, I used a 8x22x7mm one from AliExpress. A small press-in part in the lower part is used to hold up the bearing.
Take measurements by placing a hall sensor into the lower part and a small magnet in the upper rotator part.
Lower part has a holder for a Rasberry PICO built in, but any other microcontroller can be used.

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