KeyerBuddy

by SA0DMA

Your morse code practice partner

Plug in your straight key or paddle and start practicing CW audibly. Plug in headphones if you want to. Listen to common CW phrases to hone your copying skills.

See the instruction manual for details on how to operate and assemble KeyerBuddy.

KeyerBuddy is now open source. See the open source section in the manual for details.

FEATURES

Practice Sending

Helps you practice sending CW with a paddle or straight key.

Practice Copying

Practice copying CW with the built-in dictionary containing 100 words and phrases, or use the random callsign generator.

Variable Speed

Choose your speed using a simple dial on the front.

Practice Anywhere

Use headphones to practice around others, or just enjoy the built-in buzzer speaker.

Pocket Straight Key

In a pinch, use the built-in switch as a straight key.

Practice Words and Phrases

Press the switch to trigger sending of a randomized CW phrase or word from the dictionary.

Practice Callsigns

Press and hold the switch to trigger sending a random callsign.

Testimonials

"This will be perfect for our CW class."

"Everything works great with my paddle."

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Want one?

I am selling my final inventory of DIY kits. Each kit is €35 and includes:

  • KeyerBuddy PCB and all components, ready for easy DIY soldering with through-hole components
  • KeyerBuddy 3D-printed rugged Nylon SLS enclosure, complete with screws and label
  • 3xAAA battery pack with JST-PH connector

Get in Touch

Want a KeyerBuddy kit or have a question? Send me a message. Please check your spam folder for my response :)

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