Arduino Sketch for designs based on the I2C 24-bit digital expander IC Texas Instruments TCA6424A. Implemented and tested on a PMOD2RPI interface board with a Seeeduino XIAO (Cortex M0+) and a I2C24IO PMOD module.
Running the sketch will output the following to the serial monitor:
PMOD2RPI interface board with a Seeeduino XIAO (Cortex M0+) and a I2C24IO PMOD module:
