A cardboard relay for IO - March 21, 2018

A project log for The Cardboard Computer - IO is my name

My goal is a 4-bit CPU using recycled cardboard substrate and Diode Transistor Logic. This is an educational platform for me.

Dr. Cockroach • 03/21/2018 at 10:58•2 Comments

Here is the second version of the Uglytech relay. I will try this for signal isolation to the typewriter/printer. Still needs work but getting better at this...

This video shows that the relay does work with both IO and the printer Note the screw and nut added to adjust gap.

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A possible output device for IO

03/02/2018 at 17:11 • 7 comments

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Opto-Couplers for IO

04/09/2018 at 23:25 • 3 comments

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Dr. Cockroach wrote 03/22/2018 at 14:05

While playing with various voltage/current levels, I found that I needed to make the throw adjustable :-)

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Morning.Star wrote 03/22/2018 at 12:55

Adjustable throw and everything, nice one Doc. :-D

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A cardboard relay for IO - March 21, 2018

A possible output device for IO

Opto-Couplers for IO

Discussions

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