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This is a very simple microphone for use with small QRP transceivers like the QMX. It needs a common electret mic, a 3.5mm female jack, an endstop switch for PTT and two M3x12 countersunk screws.
Project page (including FreeCAD files): https://github.com/rimio/parametric-cokin-p-holder Hardware description The threaded part has a friction ring; on this friction ring the actual holder is mounted on with a tight fit. M3 machine…
This is a remix of that_grain's keyboard case that is adapted for low profile switches and keycaps.
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