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Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator

Assembling a Code-Practice Oscillator, a PDF by ARRL

A simple morse code practice oscillator using either PNP or NPN typr transistors

Projects you can build, an amplified shaped sine-wave oscillator

This code practice oscillator project uses a 555 timer IC. Includes a Schematic Diagram of the morse code oscillator

Little circuit of a Morse Code Oscillator is presented here. Excellent for learning and teaching Morse code

One Tube Code Practice Oscillator

Iambic and Straight key amateur ham radio CW Morse code practice oscillators for Android. This Android app gives you both straight and iambic CW Morse code practice key oscillators. Each key translates Morse code into English and CW prosigns in real time as you practice. Practice sending Morse code with a straight key oscillator. Settings include WPM, show/hide Morse code/text, choose sidetone 400Hz-800Hz. Adjust the WPM so that you can produce well formed DITs and DAHs at a comfortable speed.

N4MW Code Practice Oscillator Museum

Maybe not state-of-the-art technology but the author offers a quick and easy project for a Morse code practice oscillator using a 555 timer chip

Web site and blog that reviews equipment, goes over safety, and display projects being built. Includes Yaesu FT-891 and Ameritron RCS-10 Review, a 555 Morse Code Practice Oscillator, and and arduino based Morse Code Practice Oscillator

A great little device on which you can practice your Morse Code skills. It is simple to build and easy to use. All you need are two 3V coin batteries and your knowledge of Morse Code.

This project builds into a box into which you plug a Morse Code Key. Using the Morse Key creates realistic sounds so you can judge how well you Send. A great tool for beginners to improve Morse sending skills before going on-air