Programmable Ruler Retains 1970’s Computing Alive

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Programmable Ruler Keeps 1970’s Computing Alive


A ruler looks as if a reasonably easy gadget; only a good straight piece of fabric with some marks on it. There are some enhancements on the market to the fundamental design, like making it out of one thing versatile or printing a couple of helpful crib notes and formulation on it so you have got a useful reference. However for probably the most half, we are able to all agree that ruler know-how has just about plateaued.

Effectively, not if [Brad] has something to say about it. His newest creation, the Digirule2, is basically an 8-bit laptop like these of the 1970’s that simply so occurs to be a purposeful ruler as effectively. Neglect lugging out the Altair 8800 subsequent time you’re within the temper for some old fashioned software program improvement, now you will get the identical expertise with a chunk of {hardware} that lives in your pencil cup.

Even for those who’ve by no means commanded one of many blinkenlight behemoths that impressed the Digirule2, this is a wonderful solution to get some hands-on expertise with early laptop know-how. Accessible for about the price of a big pizza on Tindie, it represents one of many best and most cost-effective methods to inform your mates that as a matter of reality you have programmed a pc in binary.

The Digirule2 is powered by a Microchip PIC18F43Ok20, and is programmed by punching binary in a single byte at a time with a financial institution of eight tactile switches. To make issues a bit of simpler, applications will be saved to the inner EEPROM and loaded again up simply as simply due to the useful buttons subsequent to the ability swap. Now all you’ve received to do is determine what all these blinking LEDs imply, and also you’ll be in enterprise.

The unique Digirule was a logic gate simulator that we first coated again in 2015. We’re all the time glad to see tasks develop and evolve over time, and suppose this new retro-computer themed variant goes to be fairly in style with those that nonetheless love toggle switches and blinking lights.



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