![lcd 5 wire arduino lcd 5 wire arduino](https://arduinogetstarted.com/images/cover/arduino-lcd-i2c.jpg)
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.
![lcd 5 wire arduino lcd 5 wire arduino](https://cdn-learn.adafruit.com/assets/assets/000/002/365/medium800/learn_arduino_lcd_kit.jpg)
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.