![]() The video goes on to demonstrate the assembly language of the relay computer itself and a bit of the overall architecture. ![]() ![]() The CPU is still all relays, with support for self-modifying code, a bunch of instructions for conditional jumps, and an ‘increment and jump if not equal to zero’ instruction.īelow, you can check out a very in-depth video of the relay computer in action, starting off with some satisfying click and clack of Euclid’s algorithm and a demonstration of the variable clock rate. The memory is implemented as 256 32-bit words on a microcontroller alongside a controller for the front panel. You can implement a CPU in a few dozen relays, but even a small amount of memory is still hundreds of additional components. The biggest consideration in designing a relay computer is the memory. It’s got more click and clack than the Tappet family, and is a work of art rendered in DPDT relays. He’s built a microcomputer ‘trainer’ out of relays. The newest inductee of the DIY microcomputer hall of fame is. Actually designing and fabricating a computer built around relays is another thing entirely, and an accomplishment that will put you right up there with the hardware greats. ![]() We all know you can build a computer out of relays, and if you’re a regular reader of Hackaday, you’ve probably seen a few. ![]()
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