contactless digital temperature sensor Arduino

The MLX90614 is a high‑accuracy non‑contact infrared temperature sensor housed in a compact TO‑39 metal can package. It provides factory‑calibrated temperature readings, supports SMBus/I²C digital output, and offers wide measurement ranges suitable for Arduino, ESP32, Raspberry Pi, robotics, medical devices, and industrial temperature monitoring.

Technical Specifications:

• Model: MLX90614 IR Thermometer Module
• Sensor Type: Non‑contact IR thermopile with onboard signal conditioning
• Package: TO‑39 metal can
• Operating Voltage: 3V to 5V
• Temperature Range:
  • Sensor temperature: −40°C to +125°C
  • Object temperature: −70°C to +380°C
• Accuracy: ±0.5°C (0°C to +50°C range)
• Resolution: 0.02°C
• Interface: SMBus/I²C digital output + optional PWM output
• Field of View (FOV): Multiple options (e.g., 35°, 10°, 5° depending on variant)
• Current Consumption: ~1.4 mA (typical)
• Applications: Non‑contact temperature measurement
  HVAC systems
  Robotics
  Medical thermometers
  Industrial monitoring
  Movement detection