capable of sensing object temperatures between -70 and 380C. Using SMBus, and I2C-like interface to communicate with the chip means you only need to devote two wires from your microcontroller to interface with it.
MLX90614 non-contact temperature sensor Circuit Schematic
![](/storage/ProjectSection/Projects/8324/mlx90614-non-contact-temperature-sensor/detailed-description/schematic.png)
PCB Layout
![](/storage/ProjectSection/Projects/8324/mlx90614-non-contact-temperature-sensor/detailed-description/MLX90614_10112020235925.png)