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💡 The World of Sensors
A sensor is a fundamental component of modern technology. It acts as the bridge between the physical world and the electronic world, allowing machines to "sense" or perceive their environment.
A sensor is a device that detects and measures a physical or chemical quantity in its environment and then converts this information into a usable signal, typically an electrical or optical signal, that can be read, processed, or displayed by an electronic system (like a microcontroller or computer).
In essence, every sensor is a type of transducer because it converts energy from one form to another (e.g., heat energy into electrical voltage).
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