The MIKROE Expand 11 Click is a compact add on board that contains a multi-port I/O expander. This board features the TCA9536, a general purpose remote I/O expansion for most microcontroller families from Texas Instruments. The TCA9536 comes in a 4 port configuration and allows easy addition of I/O through a standard I2C serial interface. Each port is user configurable to either a logic input or logic output by writing to the I/O configuration register bits.

Compatible with mikroBUS for easy connectivity
Supports both I2C interfaces for streamlined communication
Includes a Polarity Inversion register for flexible input management
Offers a low power consumption profile ensuring efficiency
Allows configuration of interrupt functionality on selected ports
Captures data through a robust and reliable serial interface