[ELI5] How does a rice cooker “know” the timing to switch from cook to warm when there’s no more water in it?

Question

[ELI5] How does a rice cooker “know” the timing to switch from cook to warm when there’s no more water in it?

In: 825

Answer 1

Technology Connections on YouTube has a video that does a great job of concisely explaining how they work.