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Eisco Labs Contact Key, Telegraphing/Morse Code, Single

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Original price $15.99
Current price $9.33
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  • Single arm contact key
  • Can be used for demonstration of morse code or for a telegraph
  • Perfect for use with a Raspberry Pi project
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.