Project 11 · Sensor Catalog (Vol III)

LM35 Linear Temperature Sensor

Turn your Arduino into a precision thermometer using the highly accurate LM35 linear sensor.

Starter 20 min 5 components
LM35 Linear Temperature Sensor wiring diagram

What you'll learn

  • Understand how to convert analog voltage signals into physical temperature units.
  • Configure the Arduino ADC (Analog to Digital Converter) to read sensor data.
  • Interpret the LM35 datasheet specifications (10mV per degree Celsius).
  • Calibrate and troubleshoot analog sensor drifts in real-time.

What's in the kit

  • Arduino Uno R3
  • LM35 Temperature Sensor
  • Breadboard
  • Jumper Wires (M-M)×5
  • USB Cable (Type A to B)

Protocol: analog