Try a Radio Shack kit, Models "28-278","28-280" (and maybe "28-281"). You can get them on eBay for much less than retail. Much easier than rebuilding something...
Hi all, I am an electro-mechanical engineer, and I am simply fascinated by the digi-comp. I have just built a laser CNC cut stainless steel version, will post...
Thoughts: * I admire you for building your own. * Replace the link between positive and negative clock plates with a crank and cams that smoothly moves both...
My interest with DigiComp comes from my obsession with trying to design mechanical logic gates. I want something that does NOT rely on marbles rolling...
I cannot find the file "logic.bmp" in the specified file. I am interested in the development of mechanical computers utilizing similar materials, especially ...
Dan, "Nobody seems to care." When did you bring it up? Powered logic gates have been simulated in Phun. Go to http://phunland.com/phunbox/ and search "logic...
... you might want to look at information on konrad zuse's z1 computer. (http://user.cs.tu-berlin.de/~zuse/Konrad_Zuse/en/z1-metal-sheets.html) it shows...
hi: I found the perfect size rubber bands in a supermarket where they sell girls hair berets and bands for holding pony tails together. Bought a whole bag of...
My new game book, MORE FUN with DIGI COMP I, Final Edition, is still available. All of the original activities, with corrections, are still in it,including...
There are 15 experiments in the original manual that came with the machine, 50 more in Digi Comp I Romps, 17 activities in Tim Walker's book that comes with...
... That was my program. It was a mere 42 years ago, but I don't believe I sent in supporting flow charts and truth tables, just the final programs. I saved...
My new game book, MORE FUN with DIGI COMP I, Final Edition, is still available. All of the 31 original activities, with corrections, are still in it,including...
Actually, the error referred to is in game #30: reverse Nim, making a pile of 7 loses. But the actual error is in the truth table: 5 should go to 6 to win, Not...
Hi, I joined this group to see if any aficionados wanted to buy mine, perhaps for spare parts. The box has all the original papers and pieces except 3 L-shaped...
Can someone measure the diameter of the springs that hold the front rods back? I'm guessing about 1/32" diameter but more exact would be better. Neil...
... WAY smaller! .006" to .007". Check your local hobby store to see if they have music wire that small. If not, a guitar or other musical instrument store...
I found some 'music' wire at a local hobby shop which looks like it will be good for replacements. Three meters of the heavy gauge and 6 of the lighter one...
I remember getting an assortment of spring wire (from brookstone?) 30(?!) years ago advertised to last a lifetime. Perfect For smaller springs but running low...
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