The SparkFun I2C Expander Library makes working with 4-bit and 8-bit I2C digital I/O expanders very easy. These expanders can read or write four or eight separate I/O. This library supports using ...
I2C bus. This is helpful for I2C devices that have a single I2C address. //Valid addresses for the TCA9548 are 0x70 to 0x77. //We don't check the validity of the address. There may be other I2C mux's ...