The LM75 is a temperature sensor, Delta-Sigma analog-to-digital converter, and digital over-temperature detector with I2C interface.
I2cConnectionSettings settings = new I2cConnectionSettings(1, Lm75.DefaultI2cAddress);
I2cDevice device = I2cDevice.Create(settings);
using(Lm75 sensor = new Lm75(device))
{
double temperature = sensor.Temperature.Celsius;
}
https://cdn.datasheetspdf.com/pdf-down/L/M/7/LM75_NationalSemiconductor.pdf