[Eric] needed a project for his digital logic design class ... Instead, it uses individual logic chips. The lock senses the knocks with a piezo, just like every other build we’ve seen.

How does cold milk disperse when it is dripped into hot coffee? Even the fastest supercomputers are unable to perform the ...

It’s an excellent way to get started in digital logic or understanding gates, and much simpler than dealing with 74-series chips on a breadboard like many of us might have done, but those logic ...