Physical Computing

Physical computing means writing code that senses and controls things in the physical world, like reading a temperature sensor, lighting an LED, or turning a motor, usually running on a small microcontroller rather than a full computer. This connects software directly to physical inputs and outputs in a more hands-on way than typical app or web programming, where the input usually comes from a keyboard, mouse, or touchscreen and the output is usually just something shown on a screen.

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