You have lcd.printIn with an I (an eye) it's probably lcd.println with an L (actually lower case L).
I had no problems with the serialLCD.h library. It only has a print function not a println, which I don't see much need for on a 16x2 display.
You have lcd.printIn with an I (an eye) it's probably lcd.println with an L (actually lower case L).
I had no problems with the serialLCD.h library. It only has a print function not a println, which I don't see much need for on a 16x2 display.