What Is A Sensor And How Does It Work?

A sensor is a device that detects something physical and turns it into a signal a machine can use. Inside this four-minute explanation: - A sensor as a measurement-system component that detects a physical quantity and produces a signal. - Physical quantity -> transducer -> analog signal -> signal conditioning -> ADC -> calibrated units or states -> software decision. - So today, let's answer directly: what is a sensor, and how does it work? Follow In Simple Terms with Satish for one clear technology explanation every day. Open once a day. Learn one concept. Leave smarter. Disclosure: This episode uses authorized synthetic narration based on Satish's own voice. The topic, script, and final editorial approval are by Satish. Sources: - https://www.earthdata.nasa.gov/learn/backgrounders/remote-sensors - https://www.ti.com/lit/an/slaa013/slaa013.pdf - https://www.bipm.org/documents/20126/2071204/JCGM_200_2012.pdf - https://en.wikipedia.org/wiki/Ultrasonic_sensor - https://en.wikipedia.org/wiki/Parking_sensor