School telegraph key stand
thingiverse
School telegraph key stand for educational purposes. The stand needs six m3x12mm screws to be assembled. The Stefan V1 telegraph key is a simple device that can be used to learn Morse code. It was created in collaboration with Polish amateur radio operators from the Polish Amateur Radio Union and German ham radio enthusiasts from the AATIS association www.aatis.de, who are the originators of this project. The STEFAN V1 telegraph key is a generator based on the NE555 integrated circuit and several electronic components. I will soon add a link to an article with a description of its construction.
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