An 8-bit programmable binary computer built into a 20cm (8") PCB ruler.
Designed by bradsprojects in AustraliaSign up to get notified when this product is back in stock!
Update 03 April 2021: The Digirule 2U is finally for sale on Tindie! It is more expensive than any previous version however it comes with significant upgrades to both the firmware and hardware. The D…
Read More…Update 03 April 2021: The Digirule 2U is finally for sale on Tindie! It is more expensive than any previous version however it comes with significant upgrades to both the firmware and hardware. The Digirule 2 and 2A are completely sold out and there are no plans to have any more of these older version made. As such, this page has been updated to give details of the Digirule 2U.
You can still get information and downloads for all version of the Digirule 2 from the Digirule 2 webpage: Digirule 2 Webpage
Update 16 January 2020: For those who have purchased the Digirule 2A SMD kit - you can get an instructional video and PDF from the Digirule webpage (just scroll down to the bottom, just before the comments section). The video is embedded into the webpage while the PDF instructions are now included in the download on that page. The link is HERE.
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 Digirule 2U is basically an 8-bit programmable computer from the 1970’s, built into a 20cm Ruler. You can program binary code directly into the Digirule 2U using the push buttons and LED’s or you can write programs in assembly language on your computer then download them to the Digirule 2U via USB.
The Digirule 2U is the most feature-rich version of the Digirule to date. With 54 instructions, USB support, built-in serial debug monitor, full-featured assembler, 8-bit address bus, 8-bit data bus, eight 256-byte permanent memory slots and loads more.
With the Digirule 2U – You can discover the fascinating world of programming a computer in the actual language that the computer understands – binary!
You can code your own LED games, perform calculations, send and receive data to/from a computer or even another Digirule 2U. Each Digirule 2U comes pre-loaded with eight programs including ‘Hello World’, ‘Mastermind’ and ‘Prime Number Calculator’. The Digirule 2U features eight permanent memory locations where you can store your own awesome programs.
All the hardware that makes up this awesome 8-bit computer is built into the Digirule 2U PCB.
With an instruction set consisting of 54 instructions – you can write some awesome programs!
A feature-rich serial debug monitor is built into the Digirule 2U firmware. Simply plug the Digirule 2U into your USB port, load up your favourite serial terminal and start hacking into your Digirule 2U programs with your computer keyboard!
Write your Digirule 2U programs in assembly language then assemble them using the powerful Digirule 2U assembler!
The Digirule 2U has a built-in firmware updater allowing you to update the firmware without any extra hardware or programmer!
The Digirule 2U features a set of command line tools including the Digirule 2U assembler and firmware updater, for macOS, Windows and Linux operating systems.
The Digirule 2U 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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