Turn a Hair Dryer into a Solder Fume Extractor
By Mayank Sharma. Posted
This article was originally published as part of HackSpace magazine, which has since been incorporated into Raspberry Pi Official Magazine.
Andrew Terranova is a robotics hobbyist and, like many makers, is tired of inhaling solder fumes. So he decided to reverse the airflow of a hair-dryer to extract the harmful fumes away from his face.
Andrew unscrewed the hair-dryer, striped away all the components besides the electric motor and the fan, which he then reversed. Andrew suggests hooking up a battery to the motor to figure out which side has to be plus and minus in order to reverse the motor’s airflow.
He then inserted a piece of carbon filter pad that he cut to fit inside the hair- dryer. He used the original heat shield to hold the filter in place, but suggests that you can instead use a roll of cardboard, or something else to keep the filter to the back of the hair-dryer. That’s really all there is to it.
He then reassembled the hair-dryer and connected it to a 7.2V 3800mAh NiMH rechargeable battery pack using some electric tape. He had used the switch in his hair-dryer for another project, so he used a connector switch. Andrew’s hair-dyer had diodes around the motor and the switch and, if yours have them too, he recommends you unsolder them.
Mayank is a Padawan maker with an irrational fear of drills. He likes to replicate electronics builds and gets a kick out of hacking everyday objects creatively
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