LM 35 Temperature Sensor With Analog Output Voltage
Experience linear, calibration-free thermal tracking in your hardware prototypes with the industry-standard LM35 Precision Centigrade Temperature Sensor. Explicitly engineered to output a highly predictable electrical signature, this low-power analog IC delivers an output voltage that is directly proportional to the Celsius temperature scale (+10 mV/°C linear scale factor). Housed in a compact, three-pin TO-92 through-hole package, it eliminates the requirement for complex complex look-up tables or external multi-step calibrations by working out-of-the-box with a typical accuracy of ±0.5°C at room temperature. Operating smoothly across a broad 4V to 30V DC input supply, it serves as the definitive hardware component choice for constructing smart home HVAC thermostats, lithium battery pack safety monitors, standalone weather data loggers, automated greenhouse climate overrides, and school STEM electronic lab trainers paired with an Arduino ADC pin.
₹ 71
₹ 99
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| Made In : | India |
The LM35 Temperature Sensor is a precision analog temperature sensor designed to measure ambient temperature with high accuracy. It provides a linear output voltage proportional to temperature in Celsius, making it very easy to interface with Arduino, ESP32, Raspberry Pi (via ADC), and other microcontrollers.
This sensor is widely used in temperature monitoring systems, embedded projects, and IoT applications due to its simplicity and reliability.
Key Features
- Directly calibrated in Celsius (°C output)
- Linear analog voltage output (10 mV/°C)
- High accuracy temperature sensing
- Low self-heating and low power consumption
- Easy interface with microcontrollers
- No external calibration required
- Compact TO-92 package
- Stable and reliable performance
- Suitable for indoor and controlled environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | LM35 Precision Temperature Sensor |
| Package | TO-92 |
| Output Type | Analog Voltage |
| Scale Factor | 10 mV per °C |
| Temperature Range | -55°C to +150°C |
| Accuracy | ±0.5°C (typical at room temperature) |
| Operating Voltage | 4V – 30V DC |
| Self Heating | Very low |
| Interface | Analog (ADC required) |
How to Use
- Connect VCC to 5V (or 3.3V depending on system)
- Connect GND to ground
- Connect output pin to analog input (A0, ADC pin)
- Read voltage and convert to temperature (°C = mV / 10)
- Use Arduino analogRead() for measurement
- Ensure stable power supply for accurate readings
Applications
- Room temperature monitoring systems
- Arduino and ESP32 projects
- IoT environmental sensing
- Industrial temperature measurement
- HVAC systems monitoring
- Battery and electronics thermal monitoring
- Robotics environmental sensing
- Educational electronics projects
Package Includes
1 * LM35 Temperature Sensor – TO-92 Package, Linear Analog Output
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