Second Life of MFM Hard Drives - Iambic Telegraph Key

6,695

12

7

Posted

Introduction: Second Life of MFM Hard Drives - Iambic Telegraph Key

timelesson.blogspot.com/2010/02/second-life-of-dead-mfm-hard-drives.html

Do you remember a MFM hard drives? Not too fast, but very large - 20 Mb in the 5 inch rack, it was a something special! Times gone and those beautiful drives decided to rest in peace. In peace? No way!

One note - if you don't know wha-da-heck is Iambic Key, visit Wiki: en.wikipedia.org/wiki/Telegraph_key As for me, this key is my way to communicate World. Our Old Good World.

Step 1: Extracting Heads From Dead Drives

There are best-of-the-best bearings inside. Because it is.

Step 2: Cut Off Fag End


Step 3: Breadboarding and Making the Plastic Base.

Breadboarding - making something using wife's bread board en.wikipedia.org/wiki/Breadboard. In my case board was slightly rustic.

Step 4: Assembling and Assembled Views

 

Step 5: Comunicating Using New Keyer






Share

    Recommendations

    • Science of Cooking

      Science of Cooking
    • Pocket-Sized Contest

      Pocket-Sized Contest
    • Spotless Contest

      Spotless Contest
    user

    We have a be nice policy.
    Please be positive and constructive.

    Tips

    Questions

    7 Comments

    What are the pins on the front from? Is the speed adjustable? The two wire on top, what are the connected to on the top and bottom?

    Good idea!!!

    Have you got any videos of your telegraph key in use?

    Well, I'm trying - never did it before. Maybe hour or two later.

    Cool.  I suggest typing out a message in Morse code for us to decode!

    Hey, that sounds really nice!  Of course I have no idea what the message was.  ;)