introduction to mcp23008, mcp23008 pinout, mcp23008 working,mcp23008 application, mcp23008 features, mcp23008 arduino interfacing, mcp23008 applications, mcp23008 Hello friends, I hope you all are doing great. In today's tutorial, we are gonna have a look at detailed Introduction to MCP23008. MCP23008 provides an 8-bit parallel input/output expansion for I2C bus and SPI applications. It has 8-bit configuration registers for input, output and polarity changing ...