No you did NOT have a 2.5kohm or a potentiometer. What you have is a resistor or unknown value (your photo color is pretty screwy so no way to tell resistance from color). You also didn't solder the pins to the LCD.
No you did NOT have a 2.5kohm or a potentiometer. What you have is a resistor or unknown value (your photo color is pretty screwy so no way to tell resistance from color). You also didn't solder the pins to the LCD.