Morse Code Straight Key
pinshape
This is a 3D-printed lightweight Morse code key suitable for portable (QRP) amateur radio operation. To build it you will need to purchase two 5mmx2mm neodymium magnets, one 3.5mm stereo jack, four m3x10mm screws, two m3x18mm screws, two m3 hex nuts, two crimp-ringer terminals and some fine gauge flexible wire. Note: stereo jacks come in all shapes and sizes. The stereo jack used here has a 6mm diameter threaded section and an 8mm diameter main section. You will need to find one that meets these specs in order for it to fit into the case. Note: This project requires wiring and soldering to connect the stereo jack. Refer to the provided wiring diagram.
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