![]() You should find it on the back of the LCD connected to pin 15 (Anode). Most LCDs have a built-in series resistor for the LED backlight. In order to test the display, you will need to make the connections as shown in the figure below. ![]() ![]() You will only need to change the size specifications in your Arduino code. These LCDs are available in many different sizes (16×2 1602, 20×4 2004, 16×1 etc.), but they all use the same HD44780 parallel interface LCD controller chip from Hitachi. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to products on. ![]()
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