:PROPERTIES: :ID: efce506d-a354-4003-a70e-e0421dff0dc1 :END: #+title: Solder fume extraction fan An old 120mm PC case fan could be repurposed to draw fumes from soldering and pass them through a carbon filter. The fan would require a 12V power source, or could possibly be powered via USB (typically 5V) by [[id:cbf98627-2448-4aed-ac3a-4eebdbdc779b][Using a boost converter to increase voltage]].