The Qwiic GPIO, based on the TCA9534 I/O Expander IC adds an additional 8 IO pins which you can read and write just like any …
The Compute Module 4 plugs right into the I/O Board and provides a multitude of inputs and outputs for prototyping or evaluat…
The MCP23008 uses two I2C pins which can be shared with other I2C devices, and in exchange gives you eight general purpose pi…
