The project itself simply says the vague shape is what ties it to Arduino, and reads a bit like an advert for a PCB fab. I’d prefer those big clunky PIC devboards with this 8051.

Intel 8051 4 Articles . ... If you’ve got an 8051 project lying around, send it in on the tip line and we’ll probably throw it up. Posted in classic hacks Tagged 8051, Intel 8051.