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The LM35 is a precision temperature sensor that provides an analog voltage output directly proportional to temperature in degrees Celsius. It is widely used in weather monitoring systems, industrial temperature control, and home automation. The LM35 operates with high accuracy and does not require external calibration. Its low power consumption makes it ideal for battery-powered applications. The sensor provides a linear output (10mV per degree Celsius) and supports a wide temperature range (-55°C to +150°C). It is commonly used in air conditioning systems, IoT applications, and environmental monitoring devices. The LM35 is easy to interface with Arduino, Raspberry Pi, and other microcontrollers. Due to its stable and precise readings, it is often preferred over thermistors for critical temperature measurements.