ProgressTHMarch 14, 2016 | ProgressTH After some testing and dropping it, and moving it around, and leaving it to sit for a while, the 'microswitch' normally-closed contact (right) doesn't seem to be reliably sticking.
The need for a more robust spring mechanism is apparent and I'd welcome any simple suggestions. Also, if you are really keen on terminology for electronic components and can suggest a better name for what this switch actually does, feel free to share.
However, the normally-open contact (center) still works perfectly and it is still the only one really needed for V.2 of the DIYbio centrifuge we're working on.
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I have seem some interesting designs that use a spring made of 3d filament. Since it is non-conductive, you could add a filament-based helper spring to maintain tension without closing the circuit. It also looks like you are using wire that is flexible, like paper-clip wire. Consider using a safety pin instead, since a safety pin will always hold shape.
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