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GY-906 MLX90614 Infrared Temperature Sensor

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The GY-906 is a small electronic breakout board that features the MLX90614 chip. It is a non-contact infrared (IR) thermometer sensor. This means it can read the temperature of an object from a distance without physically touching it.

⚙️ Technical Specifications
  • Core Sensor Chip: Melexis MLX90614
  • Operating Voltage: 3V to 5V DC (most boards have a built-in voltage regulator)
  • Communication Protocol: I2C / IIC interface (uses only 2 data wires) 
  • Object Temperature Range: -70°C to +380°C
  • Ambient Temperature Range: -40°C to +125°C (the temperature of the room/sensor itself) 
  • Measurement Accuracy: High precision of ±0.5°C 

📌 Pinout Connections
The module typically has 4 pins that you connect to a microcontroller like an Arduino, ESP32, or Raspberry Pi
  1. VIN: Connect to 3.3V or 5V power
  2. GND: Connect to ground (GND)
  3. SCL: Serial Clock line for the I2C communication
  4. SDA: Serial Data line for the I2C communication 
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