An 8-bit programmable binary computer built into a 20cm (8") PCB ruler.Designed by bradsprojects, Ships from Australia
In the early days of personal computers, programming in binary was the only game in town. Systems such as the Altair 8800 gave the user a bunch of switches and LED's with which to interact and pro...Read More…
In the early days of personal computers, programming in binary was the only game in town. Systems such as the Altair 8800 gave the user a bunch of switches and LED's with which to interact and program the computer - those were some exciting times in computing history!
The Digirule2 is essentially an 8-bit binary computer of the 1970's, built into a 20cm ruler. It features an 8-bit address bus, 8-bit data bus, data input buttons and 33 instructions for you to code your own programs.
With an instruction set consisting of 33 instructions - the Digirule2 can be programmed to perform all sorts of tasks, including fun games such as the classic 'kill-the-bit' game for the Altair 8800 or perhaps a Knightrider LED scanner, binary counter or a simple game of two player pong!
An excel spreadsheet allows you to easily write your code in mnemonic form - it will then automatically convert it into binary machine code for you to enter into the Digirule2:
The Digirule2 is completely open source and all files including source code, schematic, PCB design, bill of materials and gerber files are available to download from bradsprojects.com/digirule2
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Dennis | Dec. 9, 2018
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Hi I'm Brad, i've been an active contributor to the electronics community since 2007. In that time I have released many valuable resources to the community in the form of video and web based electronics and programming tutorials, project schematics, source code and answers all sorts of questions via email and on my electronics forum.
My projects have been featured on many popular websites and blogs including hackaday, kotaku, engadget and i've won numerous competitions on instructables.com.
If you have any questions or concerns etc. please get in touch :)