This is a library that implements basic abstraction (input, output, configuration) for TI I2C 8-bit registers. There is also a small board specific library (KRKL) that controls an LED bargraph and two RGB LEDs connected to PCA9538 I2C register.
| Register | Arduino | Energia | Note |
|---|---|---|---|
| PCA9538 | X | X | Arduino Uno and MSP432P401R |
| PCA9554 | X | Arduino Uno (Proteus) |