DS18B20 Stuck at 85°C? Verify the Conversion Before Replacing the Sensor
For a DS18B20, 85°C is the temperature register’s power-on value—not proof of actual heat. Check conversion completion, CRC, power mode and the Linux w1_therm output in that order.
DS18B20 Stuck at 85°C? Verify the Conversion Before Replacing the Sensor Read More