Many many many thanks !adafruit_support_rick wrote:that is not correct. You need to have the entire library (Adafruit_MCP23017.h, Adafruit_MCP23017.cpp, examples folder, etc) inside a folder named "Adafruit_MCP23017". That folder should be inside of your sketchbook/libraries folder.Tim036 wrote:I have put the correct file into the HOME directory /sketchbook/libraries/Adafruit_MCP23017.h
Please see out tutorial on installing libraries:
https://learn.adafruit.com/adafruit-all ... nstall-use
Very greatly appreciated !
: )))))
Tim