MLX90614

The MLX90614ESF (GY-906) is a non-contact infrared thermometer module. Integrates a thermopile IR detector and signal-conditioning ASIC in a TO-39 package. 17-bit ADC with DSP for 0.14°C resolution. Dual output: I2C and 10-bit PWM (-20 to +120°C range). Object temperature range up to +380°C. Compatible with Arduino and all 3.3/5V MCUs.

Specifications:

• Sensor: MLX90614ESF
• Supply Voltage: 3.3–5V
• Current: 2mA
• Interface: I2C + PWM
• Resolution: 0.14°C
• ADC: 17-bit
• Ambient Temperature Range: -40 to +125°C
• Object Temperature Range: -70 to +380°C
• PWM Range: -20 to +120°C (10-bit)

Applications:

• Non-contact human body temperature measurement
• Industrial surface temperature monitoring
• HVAC and smart thermostat systems
• Arduino/ESP32 IR thermometer projects