code: https://github.com/liutyi/arduino-humidity-sensors-test/blob/master/arduino-humidity-sensors-test.ino

Key feature.

• Multiplexers integrated into the sensor board (fewer connectors and wires)
• New wiring (shorter cables, easy to update any sensor wiring)
• Separate Multiplexer for AHT10 (stable operation)
• Multiplexer with 5v signal level (for AM2320 and HDC1080)
• Increase number of datalog files from 99 to 999

...