Eisco Labs Contact Key, Telegraphing/Morse Code, Single;
Eisco Labs Contact Key, Telegraphing/Morse Code, Single

This very basic but well made device is comprised of a plated spring arm with press knob, a contact stud, and plated connecting strip. Close a circuit simply.

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This very basic but well made device is comprised of a plated spring arm with press knob, a contact stud, and plated connecting strip. Close a circuit simply.

  • Single arm contact key
  • Can be used for demonstration of morse code or for a telegraph
  • Perfect for use with a Raspberry Pi project
  • Can be used for demonstration of Morse code or for a telegraph
  • Single arm contact key
  • Can be used for demonstration of morse code or for a telegraph
  • Perfect for use with a Raspberry Pi project
  • Can be used for demonstration of Morse code or for a telegraph

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