This repository contains resources related to the Adding Digital I/O To Your Arduino article published on WoolseyWorkshop.com. It is a three-part tutorial describing how to add more digital inputs and ...

[1]: 4K devices have a 9 bits addressing memory map. The 9th bit is set in the device address byte [2]: 16K devices a 11 bits addressing memory map. The 3 MSB are set in the device address byte in ...