LM35 Temperature Sensor

This LM35 temperature sensor is a high-accuracy, Arduino-compatible sensor designed to measure temperature directly in degrees Celsius. It provides a stable analog voltage output proportional to temperature, making it ideal for DIY electronics, robotics, automation, and IoT projects. The LM35 chip, manufactured by National Semiconductor, is a widely trusted linear temperature sensor known for its accuracy and reliability. It requires no external calibration and offers consistent performance, making it suitable for educational, industrial, and embedded system applications.

Features of LM35 Temperature Sensor

• Functional range: 0°C to 100°C
• Sensitivity: 10mV per °C
• Output voltage directly proportional to temperature
• High linearity and easy to interface with Arduino

Specifications

• Temperature range: −55°C to +150°C
• Good linearity and high sensitivity
• Calibrated directly in °C
• Linear scale factor: +10.0 mV/°C
• Accuracy: ±0.5°C at 25°C
• Operating voltage: 4V to 30V
• Current drain: < 60 µA
• Low self-heating: 0.08°C in still air

Applications

• Temperature monitoring systems using Arduino and other microcontrollers
• IoT projects requiring accurate and real-time temperature sensing
• Robotics projects for environmental and thermal monitoring
• DIY electronics and educational projects
• HVAC and climate control applications
• Industrial and laboratory temperature measurement setups

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