I have the following devices.
PR54-11 8-Channel Multiplexer. Dual USB to 8-Port Hardware I2C Converter
MG-811 CO2 Gas Sensor
MQ135 Ozone Gas Sensor
CCS811 Air Quality Sensor
SHT25 Humidity and Temperature Sensor
And I test whether each device is normal using the Scan I2C Devices function of the AnyI2C program.
However, there are some problems in which devices are sometimes found but not in some cases.
Is there any solution for this?