Lunar lander remade

For those that are lucky enough to remember it, Lunar Lander was a fantastic game. Though it had simple vector graphics and highly repetitive game play, it kept us captivated. We probably lost entire weeks of our lives competing with friends to be the best. Well, now we can relive that experience with a physical version of the game. [Lain] built this fantastic arcade style game to replicate Lunar Lander’s game play exactly. The style of the project is fantastic with giant analog meters and dials giving real time feedback.  You even get a prize if you complete all 3 levels. You can get plenty of build details by going through his blog. Maybe he should hook up with the folks that built the Apollo landing computer replica to build the ultimate simulator.

[thanks Mike]

Apollo Guidance Computer clone


[Cliff Miller] pointed out this incredible project from 2004. [John Pultorak]‘s journey began in late 2000 when he decided to build a 60’s or 70’s era minicomputer. While gathering technical documentation, he found some interesting information on the Apollo Guidance Computer and felt that was the way to go. The AGC was the first integrated circuit computer ever built. Designed by MIT in 1964 it was constructed from ~5000 ICs, almost all 3-input NOR gates. [John]‘s version uses late 1960’s 74LS TTL logic which gains him a 10 to 1 reduction in the number of ICs. A good thing when you have to do ~15K wirewrap connections. He also used flipflops and register chips instead of building everything from NOR gates. [John] essentially built the AGC three times: First, he coded a simulator in C++. Then, he imported the logic design into CircuitMaker to verify that it would actually work. Finally, he built the 3 by 5foot machine. He’s provided an amazing amount of documentation for anyone that wants to explore this device and the overview alone is well worth a look.

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