This project came about because I wanted to have a portable fume extractor for my DIY projects. This extractor can be powered from either a 12VDC or 3x 18650 lithium batteries.
Wire Scheme:
3D Printer:
Materials
| Description | AliExpress | Amazon |
| 20mm fan – 12 volts | http://bit.ly/3pCaRQJ | https://amzn.to/3jVx2jo |
| 2X 120mm fan grill | http://bit.ly/3u7itOs | https://amzn.to/2ZpbPF9 |
| 3 slot 18650 battery case | http://bit.ly/3bcTsZE | – |
| 3X 18650 batteries | https://bit.ly/3qH8AFf | – |
| 3S battery protection board | http://bit.ly/37pg0VN | https://amzn.to/3dmI5kk |
| LED with 680Ω resistor | http://bit.ly/3ufCJh5 | https://amzn.to/2M1NoKU |
| 12V battery level tester | https://bit.ly/2M1NGBu | https://amzn.to/37pgWcL |
| Female power plug 2.5mm | http://bit.ly/3k9jlh7 | https://amzn.to/3dl2rKK |
| Activated carbon filter | http://bit.ly/3qAHmA4 | https://amzn.to/3jUXYzU |
| Non-slip rubber feet | http://bit.ly/3dhEzrA | https://amzn.to/3pvGbR5 |
| 500 Hexagonal Screws Kit – 4 M4 Screw 40mm + 4 nuts – 4 M4 Screw 20mm + 8 nuts – 4 M4 Screw 12mm + 2 washers – 4 M3 Screw 20mm + 4 nuts | http://bit.ly/37mjHeZ | https://amzn.to/3s7nGUJ |
| Some wires – 18-28 AWG | https://bit.ly/2I8iRsR | https://amzn.to/3ok5fuB |
| Best PLA filament for 3D printer | https://bit.ly/2I5cpCG | https://amzn.to/3rMhbY8 |
Tools
| Description | AliExpress | Amazon |
| Soldering Iron TS100 | https://bit.ly/2KKvtI8 | https://amzn.to/2X2kXhH |
| Wire Stripping Plier | http://bit.ly/2Le0nrW | https://amzn.to/3rKLChd |
| Embossing label maker | http://bit.ly/2NjwojI | https://amzn.to/2NflsUq |
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