A keypad scanner similar to the standard chips like 74C922, ADP5586, or LM8330, but much simpler.
It is just an experimental and educational project.
A digital simulation of the project can be viewed and tried in this Wokwi simulator.
The Wokwi design is synthesised with OpenLane and GitHub actions.
A few words more about this digital design can be found in the project documentation.
The current project version is 1.1.
TinyTapeout is an educational project that aims to make it easier and cheaper than ever to get your digital designs manufactured on a real chip.
To learn more and get started, visit https://tinytapeout.com.
Wokwi is an online Electronics simulator. It's a great tool for makers, hobbyist, as well as for professionals.