Arduino Controlled Morse Code Key and QRP Transmitter

This is kind of a mashup of different projects: an arduino to control a servo that controls a homemade Morse code key that controls a simple 4 to 7 component cw transmitter. I will just show some pictures of the various parts and a few comments about each. Please note that operating a cw transmitter generally requires a ham radio license unless you terminate the transmitter with a dummy load resistor to keep from propagating a signal outside of your house. A license is a pretty easy prospect these days since proficiency with Morse code is no longer required.

Why do this project?

1. It is entertaining to watch the arduino control the key with a servo.

2. It is a good practice oscillator for listening to Morse code.

3. It can operate your key and transmitter while you go outside the house and check reception.

Have fun – de ke8bsh




About jimd

Christian, ESL teacher, retired computer programmer, former US Army soldier, former Peace Corps Volunteer. Like to paint, build and fly rc airplanes, play guitar, ride unicycle, juggle, and hang out with my university students. Am currently residing in a foreign country but I do love America.
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