The awesome Digirule 2U is a small 8-bit programmable binary computer created by developer Bradley Slattery. Launched via Kickstarter this month, the project is coming to the end of its campaign ...

[Esperantanaso] has long been involved in producing homebrew 8-bit computers. His various builds could all achieve different things, but he grew frustrated that applications written for one could n… ...

– The Digirule 1A is an interactive binary PCB ruler which features seven logic gates, four flip flops and a 4-bit binary counter, which is all powered by an 8-bit PIC microcontroller.