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Filament Alarm From Solder Practice Kit

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  • 👁 1.2k views
  • 2 likes
  • 13 downloads

3D model description

I had an old Elenco soldering practice kit sitting in my closet that I wanted to do something with, so I made a filament alarm from it.
The filament feeds through the hole on the side and when it runs out, the 2 leads that it was separating will connect setting off the alarm.
There is a hole in the top to reach the volume knob located on the board.
I had to do a bit of trimming to get it all to fit and needed to tape the plates together to get it to work reliably. If I revisit it, I'd make it so they all snap together.
You can see a quick demo video here:
https://youtu.be/nyVRwVZCkmM

3D printer file information

  • 3D design format: STL Folder details Close
    • FilamentAlarm-btm.stl
    • FilamentAlarm-spkrholder.stl
    • FilamentAlarm-top.stl
    • FilamentAlarm-tray.stl
    • FilamentAlarm-trigger.stl

    Learn more about the formats

  • Publication date: 2018/03/23 at 18:21

License

CC BY SA

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