

The Invention of the Telegraph

- The telegraph is defined as any system that allows the transmission of encoded information by signal across a distance
post 06 Mar 2025
Telegraph Morse code Links →
Telegraph Office
The practical use of wireless telegraphy was made possible by Guglielmo Marconi in the closing years of the 19th century
Diy Arduino CW keyer
I added code to read push-buttons on digital pins to trigger hard-coded messages like CQ and CQ SOTA
Tasto telegrafico con ST6210
programma per il microcontrollore ST62T10 della SGS-Tomson affinche' diventasse un tasto elettronico per il cw
Telegraph scientific instrument & radio museums
online museums are dedicated to the preservation of telegraph and scientific history
The Art & Skill of Radio-Telegraphy
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The practical use of wireless telegraphy was made possible by Guglielmo Marconi in the closing years of the 19th century
I added code to read push-buttons on digital pins to trigger hard-coded messages like CQ and CQ SOTA
programma per il microcontrollore ST62T10 della SGS-Tomson affinche' diventasse un tasto elettronico per il cw
online museums are dedicated to the preservation of telegraph and scientific history

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map