Are you low on I/O? No problem! The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface – that means with j…
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 SparkFun Portability Shield adds all the user interface bits needed to take a SparkFun development board into the field.