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K3IY trusdx / (tr)usdx cw paddle — image 1
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K3IY trusdx / (tr)usdx cw paddle

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An iambic cw paddle that attaches to the (tr)usdx in a modular design

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Model information

Category
Electronics
License
Creative Commons — Public Domain

Inspired by the modular paddle on the Elecraft KX3, I designed this to directly attached to the (tr)usdx.  Combine this with the battery pack from Manuel and you get a very compact CW package.  I printed this using PLA.  To assemble the wiring I suggest to solder the wires to the stereo plug prior to press fitting the plug into the key to keep from melting the plug hole in the key base. 

BOM:

3.5mm stereo plug:  Mouser electronics - p/n 490-SP-3533-02; https://www.mouser.com/ProductDetail/Same-Sky/SP-3533-02?qs=%252BEew9%252B0nqrCkfyt%2FFhI%252B5A%3D%3D

0.3x4x10mm spring: Amazon - 240 pcs small compression spring assortment kit; https://www.amazon.com/dp/B0D8SRHGKQ?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2

20 ga. wire: McMaster Carr - p/n 8054T14; https://www.mcmaster.com/catalog/131/992/8054T14

Ring terminal: McMaster Carr - p/n 8429T11; https://www.mcmaster.com/catalog/131/877/8429T11

M3 hex nut: McMaster Carr - p/n 90591A121; https://www.mcmaster.com/catalog/131/3648/90591A121

M3 washer: McMaster Carr - p/n 91166A210; https://www.mcmaster.com/catalog/131/3692/91166A210

M3 x 12mm screw: McMaster Carr - p/n 92005A122; https://www.mcmaster.com/catalog/131/3455/92005A122

 

 

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