Morse Code Paddle / CW Key

BACKGROUND:

As an avid portable HF operator, regularly activating SOTA summits and parks for POTA, I have been disappointed with the performance, cost, and size of cheap morse code paddles. So, I designed my own.

For portable ops, or to mount it to a desk mount, consider also printing a Leg Strap/Base Plate to go with it.

Parts are kept to a minimum, and total cost per unit for a batch of 10 is less than $2 each ! At 48 x 24 x 18 mm (1.9 x 1 x 0.7 in.), this little guy won't take up much space in your pack, but functions like a much bigger unit. Set screws allow independent adjustment of the throw and tension/resistance of each lever. The 3.5mm TRS jack allows connection to your radio with any standard Aux cable. Want to add a magnetic base? Stick three or four 10 x 2 mm magnets to the base with super glue.

BILL OF MATERIALS:

Links are Amazon Affiliate links - It costs you nothing more, but I get a few cents on the dollar from Amazon if you purchase through these links.

Mandatory Items

Qty

Source

3d Printed Levers

1

Print it using the attached STL

3d Printed Base

1

Print it using the attached STL

3d Printed Top

1

Print it using the attached STL

3.5 mm TRS Panel Mount Jack

1

https://amzn.to/3Hadrd2

M3 x 4 mm Set Screw

4

https://amzn.to/3ir8Mca

M3 x 4 mm Machine Screw

1

https://amzn.to/3uF4ZLb

36 ga Wire (I like NiChrome for this)

30 mm

https://amzn.to/3h2d0Xx

PETG Filament

~12 g

https://amzn.to/3H9QN4p

Additional/Optional

Aux Cable (4 ft)

1

https://amzn.to/3XZ1IUo

10 mm x 2 mm Magnets

3

https://amzn.to/3VYIxIp