Tag Archives: Raspberry Pi

Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C++ (SYSFS)

in how-to, R-Pi by DP | 0 comments

Hertaville posted a detailed tutorial on interfacing the MCP23017 to the Raspberry Pi using C++ (SYSFS): In this blog entry I will demonstrate how to successfully interface the MCP23017 general purpose input/output (GPIO) expander from Microchip, to the Raspberry Pi over … Read more