 | | Re: Adder Subtractor Diagram —Peter Thorup
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| | | Try these links. They are all variations of the same idea. It basically started with Leo's design and went from there. They're are some really good designs here. If anyone knows of some more examples, I'd be really interested in seeing them. (...) (26 years ago, 7-Feb-99, to lugnet.robotics)
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| | | | | Re: Adder Subtractor Diagram —Alex Wetmore
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| | | | | (...) at (URL) There are already links to many of them there. (...) Service pack 5228 contains 4 of the 1x1 ones and 4 of the 2x1 ones. Lego Shop at Home can sell these to you. Don't know the price, but its probably not much more then $5, including (...) (26 years ago, 7-Feb-99, to lugnet.robotics)
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| | | | | Re: Adder Subtractor Diagram —Patrick Gili
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| | | | Can anyone recommend a text or some literature that actually explains the theory behind the differential (and thus this adder/subtractor)? I have built several examples of the A/S and I played with them extensively. I keep coming to one (...) (26 years ago, 12-Feb-99, to lugnet.robotics)
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