How well do you know your logic gates? For their final submission for STEM Projects class, [BKriet] gamified the situation using a Raspberry Pi Pico, some blinkenlights, and a not-insignificant ...

in which all outputs of the function are directly related to the current combination ... through the gates until their effects appear at the outputs. Contrast with sequential logic.

Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat ...

A logic gate is a series of transistors connected together to give one or more outputs, each output being based on the input or combination of inputs supplied to it.