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