Was trying to mess with the Arduino nano and TFT screen and when adding includes for TFT.h, it throws a compile error: TFT.h(253,15,253,17)): error C0103: Variable 'DC' not found If I do anything more than just add the include it screams all sorts of things. my (alarmingly basic) code: #include <SPI.h> #include <TFT.h> #define CS 10 #define DC 9 #define RESET 8 TFT screen =TFT(CS, DC, RESET); void setup(){ screen.begin(); screen.background(0,0,0); screen.stroke(255,255,255); screen.text("Hello, World!",0,0); } void loop(){ } and the errors: