# Tiny Portable EFHW Antenna - Compact EFHW antenna integrating coax with connector, balun and wire. - Building instructions: Tiny_Portable_EFHW_antenna.pdf - OpenSCAD + STL models for 3D printing here: Tiny_Portable_EFHW.zip |
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# Morse Paddle - muniature one, using D2F microswitches - Consists of 4 parts: Base, Shell-like cover, Paddles, Microswitch fixing element - Best printing results are obtained using PLA material, 100um detail - D2F microswitches are ones used in almost every computer mouse - On rear side is located 3.5mm audiojack receptacle for easy cable connection - The base with paddles can be slided (hidden) into cover, useful for transportation - Building instructions: Keyer4_Quick_Guide.pdf - OpenSCAD + STL models for 3D printing here: keyer4.zip |
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# Morse Paddle - bigger one, using D2F microswitches - Similar concept with sliding the paddles under cover - Building instructions are also similar, look into Keyer4_Quick_Guide.pdf - OpenSCAD + STL models for 3D printing here: Keyer_big_wwff.zip |
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# Wireless mouse modification - Idea is to replace scrolling wheel by tuning knob - I'm using it for SDR radio tuning - Inside is wireless mouse Yenkee YMS 900AH (price only up to 5 EUR) - Building instructions here: Wireless_mouse.pdf - OpenScad and STL models here: Wireless_mouse.zip |
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# FT-857 housing. Replace original metal housing + tuning knob to save weight. - Consists of 4 parts: Tuning-knob, Top cover, Bottom cover, Bottom cover vane - Printing parts are rather big, 20x15 cm, appropriate 3D printer must be used - Printing takes rater long time, for complete design 6+ hours - Additional finishing work is needed: - Glue bottom parts together - Attach loudspeaker to top cover - Drill side holes to Top and Bottom cover or fix the parts on FT857 frame by a tape - OpenSCAD + STL 3D model here: FT857_Housing.zip |