Arduino on I2c Multiplexer Tca9548a

Tca9548a i2c Multipexer example with 4OLED displays.The Tca9548a can be used bidirectionally.This sketch can easily be adjusted for a maximumof 8 I2c units.In total you can have 8 Tca9548a multiplexers onthe i2c output of an Arduino.It is addressable with A0, A1, A2 (070> 077).Reset to the GND.Vcc on reset, reset the Tca9548a.