Instructions | The Cardboard Computer - IO is my name

1

Step 1

My basic nand gate
I guess that this could be called a single 2 input nand gate IC . Just very large scale.
Start with cardboard and brass fasteners
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Step 2

Layout the parts needed.
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Step 3

Solder the parts to the cardboard base
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Step 4

The final product
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Step 5

Discussions

Wayne Verish wrote 07/18/2017 at 19:06

love lt!

Check out my cardboard computer on myYouTube channel gort59

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Dr. Cockroach wrote 07/18/2017 at 21:39

Your Minivac601 is great :-) I wanted to do a relay computer but ended up with a large stock of transistors so went that route :-) These projects keep us both out of trouble Lol

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SHAOS wrote 12/21/2016 at 17:56

I really needed something like that when I was young :) how difficult to solder components to those caps? Do you use regular solder and flux? Any special tricks?

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Dr. Cockroach wrote 12/22/2016 at 01:04

Hello Shaos, nothing special, just 60/40 rosin core. the fasteners take the solder very well. Just have to heat sink the transistor and diode leads while soldering.

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SHAOS wrote 12/25/2016 at 06:18

Great! I've decided to do something very similar, but with "Goldtone Thumb Tacks" - see here https://hackaday.io/project/10724-germanium-calculus

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Dr. Cockroach wrote 12/25/2016 at 09:03

I love your calculator project idea :-) I have used silver and gold tone and the gold took the solder a bit better. Thank you for the link.

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SHAOS wrote 12/25/2016 at 22:46

Thanks!

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coletonn wrote 12/21/2016 at 14:16

Wow, ok. So it's just a larger Cardboard NAND gate. I just like how it's cardboard, makes everything better.

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Dr. Cockroach wrote 12/22/2016 at 01:11

Good evening coletonn, not sure if better but sure is cheaper. Looks strange but then so am I for trying this project. Have learned from a lot of web sites so not inventing anything new but it is all new for me.

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Dr. Cockroach wrote 12/25/2016 at 22:51

I should start calling my cardboard cutouts VLC's or very large chips :-)

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The Cardboard Computer - IO is my name

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