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We are dangling some electronics from a hummingbird feeder. This coupler is screwed into the top of a watertight container that has a PIT reader and batteries. There is a bracket to hold an antenna that is attached with a wire tie.

I printed this on a MakerBot TOM in ABS.

This is a first revision. A later revision will have an instrumented perch to weigh the bird.

This is the final version of the Mark I feeder.


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