Eisco Labs Contact Key, Telegraphing/Morse Code, Single
Original price $15.99
Current price $9.33
- 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.