7Semi MLX90640 55 FOV Thermal Camera IR Array Breakout Qwiic Compatible

The 7Semi MLX90640 55° FOV Thermal Camera IR Array Breakout (Qwiic Compatible) is a high-resolution infrared thermal imaging sensor designed for contactless temperature measurement and visualization. Based on the Melexis MLX90640 sensor, it features a 32×24 pixel IR array that captures detailed thermal images across a 55° field of view (FOV). The sensor communicates via the I²C interface and provides calibrated temperature data in real time, making it ideal for thermal imaging, human presence detection, and temperature mapping applications. Its compact, Qwiic-compatible design allows for seamless integration into embedded, IoT, and robotics systems.

Technical Specifications:

• Sensor IC: Melexis MLX90640
  
• Resolution: 32 × 24 (768 pixels) thermal infrared array
  
• Field of View (FOV): 55° × 35° (standard version)
  
• Measurement Range: -40°C to +300°C
  
• Accuracy: ±1.5°C (typical)
  
• Temperature Resolution (NETD): <0.1°C (typical)
  
• Interface: I²C digital communication
  
• I²C Address: 0x33 (default)
  
• Frame Rate: 0.5 Hz to 64 Hz (configurable)
  
• Supply Voltage: 3.3 V (typical)
  
• Operating Current: 23 mA (typical)
  
• Logic Level Compatibility: 3.3 V (Qwiic system compatible)
  
• Communication Speed: Up to 1 MHz (fast mode)
  
• Calibration: Factory-calibrated for accurate temperature output
  
• Operating Temperature: -40°C to +85°C (ambient)
  
• PCB Material: High-quality FR-4 with gold-plated contacts

Features:

• 32×24 IR array provides real-time thermal imaging capability
  
• Wide 55° field of view for broader temperature coverage
  
• Fully calibrated sensor delivers accurate, absolute temperature readings
  
• I²C interface for simple integration with microcontrollers and single-board computers
  
• Compatible with Qwiic and 3.3 V logic systems
  
• High temperature resolution (NETD <0.1°C) for fine thermal detail detection
  
• Configurable frame rate (0.5–64 Hz) for speed or precision optimization
  
• Compact and lightweight design for embedded or portable applications
  
• Ideal for human, object, and environment temperature detection
  
• Plug-and-play operation with Arduino, ESP32, Raspberry Pi, and STM32 platforms

Applications:

• Thermal imaging and temperature mapping systems
  
• Human presence and motion detection in automation and security
  
• Smart home and HVAC thermal monitoring
  
• Robotics and AI-based visual sensing systems
  
• Fire detection and heat source localization
  
• Industrial process control and thermal diagnostics
  
• Preventive maintenance and equipment inspection
  
• Health monitoring and contactless temperature measurement
  
• IoT and environmental sensing projects
  
• Research, education, and prototype thermal visualization tools