Chapter X LM75

Chapter X LM75#

The LM75 is a digital temperature sensor chip made by Texas Instruments. It measures the ambient temperature and communicates with other devices via the I2C bus. It is a digital temperature sensor chip with stable performance, high precision and good reliability.

Using LM75 on a Linux system#

The temperature value collected by LM75 can be obtained by reading /sys/bus/i2c/devices/2-0048/hwmon/hwmon0/temp1_input directly in Linux. 单位是m°C
sudo cat/sys/bus/i2c/devices/2-0048/hwmon/hwmon0/temp1_input
IMG_256
The temperature read here is 30500m ° C, which is 30.5 ° C.