April 19, 2024
Description
Component:
- 4040 fan from old server rack (just use 1 fan)
- 18650 lithium-ion battery cell
- 2*M3 heat thread insert
- 3* 12mm M3 hex screw bolt
- Micro switch SM25J or just mini push button
- Control board as picture.
+ Recharging-protect 18650 3.7V li-ion battery cell.
+ Step up voltage 3.7V to 8V-10V-12V.
Link design:
https://cad.onshape.com/documents/1d09b0e080434ff3f4a20cc5/w/fc1ae673222a7ac054064671/e/e804b8498c855561a44207e0?renderMode=0&uiState=66225c9af4c0d226168436fc
License:
Creative Commons — Attribution — Noncommercial
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sonnguyen88nb
