Description of LM35 Temperature Sensor
Quick Overview
The LM35 Temperature Sensor is a precision integrated-circuit sensor designed for temperature measurements. It offers linear output voltage, which is directly proportional to the Celsius temperature scale, making it highly suitable for simple temperature monitoring and control applications.
How It Works
The LM35 uses the voltage output from the device to determine the temperature. The sensor provides an analog output voltage that is linearly proportional to the temperature in Celsius. Basic Functioning involves: Placing the sensor in the environment you wish to measure. An internal circuit generates a voltage proportional to the temperature. This analog voltage is read by an external microcontroller or ADC (Analog to Digital Converter) to derive the temperature in Celsius. The sensor is commonly interfaced with microcontrollers like Arduino or Raspberry Pi through analog input pins.
Technical Specification
- Operating Voltage: 4V to 30V
- Output Type: Analog
- Temperature Range: -55°C to +150°C
- Sensitivity: 10mV/°C
- Accuracy: ±0.5°C
- Response Time: 5s to 60s, depending on the medium
Key Features
- High Accuracy: Offers a precision of ±0.5°C.
- Low Power Consumption: Requires very little current, making it suitable for battery-operated systems.
- Linear Output: Directly proportional to the temperature in Celsius, simplifying the conversion process.
- Wide Temperature Range: Capable of measuring temperatures from -55°C up to 150°C.
- Versatile Interface: Analog output allows for easy integration with most microcontrollers
Application
- Climate control systems in buildings or vehicles.
- Temperature monitoring in agricultural setups.
- Weather stations.
- Industrial temperature control.
- Educational STEM kits focusing on thermal science and climate studies.
Summary
To sum up, the LM35 Temperature Sensor is a go-to module for accurate temperature measurement. With its linear output and straightforward interface, it is ideal for climate control systems, weather stations, and even educational experiments.
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