Eisco Labs Contact Key, Telegraphing/Morse Code, Single


Includes: (1) Contact key 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