LM35 Analog Temperature Sensor Module – Precision Centigrade Output for Arduino

The LM35 Analog Temperature Sensor Module – Precision Centigrade Output for Arduino is a widely used, low-cost sensor that provides accurate and linear temperature readings directly in degrees Celsius. It outputs a voltage directly proportional to the temperature, eliminating the need for calibration or external circuitry. Ideal for embedded systems, this sensor is a perfect fit for Arduino, Raspberry Pi, and microcontroller-based temperature monitoring or automation applications.

Designed to offer high accuracy and low self-heating, the LM35 features a 10 mV/°C output scale, meaning it can directly interface with ADCs or comparators for real-time temperature monitoring, alarms, and even simple thermostats. It operates over a wide voltage range and temperature span, making it versatile for both indoor and outdoor usage in electronics, HVAC, and data logging systems.

🔧 Key Features

• Calibrated in Celsius – No conversion or external calibration needed
• 10mV/°C Linear Output – Direct analog voltage output simplifies interfacing
• 0.5°C Accuracy – Guaranteed at 25°C for reliable measurement
• Low Self-Heating – Only 0.08°C in still air
• Wide Supply Range – Operates from 4V to 30V DC
• TO-92 Package – Easy to mount and integrate into PCBs and breadboards

📐 Technical Specifications

📌 Applications

• Arduino & Microcontroller Projects – Easy analog interfacing for temperature monitoring
• HVAC Systems – Accurate room and outdoor temperature feedback
• Data Logging – Ideal for temperature recording in experiments or devices
• Overheat Protection – Works with comparators to shut down circuits on high temp
• Battery-powered Systems – Ultra-low current draw for portable projects

💡 Why Choose LM35 Sensor?

With its ease of use, low power consumption, and precise linear output, the LM35 Analog Temperature Sensor is a favorite in educational, DIY, and industrial settings. Its calibration in Celsius and compatibility with popular development boards make it a go-to choice for reliable temperature sensing.

📦 Package Includes

• 1 × LM35 Analog Temperature Sensor – TO-92 Package