The project is an intro to Diode Matrix ROM where a signal is basically taken in and a number output on the display is given. The project is an intro to Diode Matrix ROM where a signal is basically ...

Here is a nice project that allows youngsters (but also adults!) to actually see the data stored in a Read Only Memory (ROM). The memory shown in the picture above is made of diodes. [Scott] made it ...

Diode matrices were one of the first methods of implementing some sort of read only memory for the very first electronic computers, and even today they can be found buried deep in the IPs of ASICs and ...