Imagine a light bulb that can talk to all the other bulbs in the city. It sends messages through invisible wires, and all the lights listen and turn on together like a team of friends playing a game.
Examples
- A single bulb can send messages to all the lights in a house like it's sending letters through a mail system.
- The bulb flashes fast enough that other bulbs can read the message like they're reading Morse code.
- Imagine your lightbulb is like a teacher, and all the other bulbs are students listening carefully for instructions.
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See also
- How Can a Single Computer Control an Entire City?
- How Do Smartphones Know When to Switch from WiFi to Mobile Data?
- What are broadcast domains?
- What are network managers?
- What are modems and routers?