In this tutorial, we will get to know more about using port expanders by building a project using the MPC23017 port expander to create two additional 8-bit ports and read and write to them using I2C. We will create some “running lights” and use bitwise actions to read input switches and display them on the […]
View more at https://www.circuitbasics.com/how-to-use-an-mpc23017-port-expander-on-the-arduino/.
Credit- Circuit Basics. Published by Department of EEE, ADBU: tinyurl.com/eee-adbu