It’s called the 2,3 Turing machine and Wolfram goes over it quite a bit. Hey Rory, think that’s impressive? There’s a way to make a computer using just a cassette tape and just a few relays. Posted in classic hacks Tagged ALU, computer, Harry Porter, relay computer, Zuse Post navigation There’s a few demos of programs running off of receipt tape, calculating the Fibonacci sequence, and playing ‘Mary Had a Little Lamb’ on the relay sound card. has come a long way from a three bit adder made with relays and light bulbs.Ĭheck out a ton of videos after the break. The TIM-8 has a few phototransistors to read the bands of white and black printed on the paper. Programs for the TIM-8 are written in a text editor on ’s desktop, then compiled and printed onto receipt paper. There are a couple of neat features that makes the TIM-8 really exceptional. This isn’t a fair comparison because ’s uses 4-pole relays, while the TIM-8 uses 1-pole relays, making the ’s project 8 times smaller than ’s. The total relay count in the TIM-8 is 152 compared to ’s 415 relays. Relay computers aren’t exactly uncommon, but built the TIM-8, that may be the smallest 8-bit relay computer ever. We’ve seen ’s amazing relay computer and we’re familiar with ’s WWII era endeavours. It looks like has his priorities in order because his build is one of the most amazing we’ve ever seen. Who wouldn’t want to build a computer out of relays? We do, but we’ve got too many projects on our plate already.
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