20x4 Character Blue LCD Display 5V 2004

This character LCD shows 4 lines of 20 characters each and is suitable when more data has to be displayed. Control uses the LiquidCrystal library from the Library Manager. With the PCF8574 I2C interface, 4 wires are enough, only two of them control lines.

Recommended alternative with I2C module already fitted: LCD2004 Blue LCD Display with I2C Module

Recommended Accessories:

• I2C Interface PCF8574 for LCD Display
• Pin header male 1 X 40 pole RM 2.54mm straight short pin
• 10K Ohm Linear Rotary Potentiometer 3386P-1-103
• Dupont Cable M-F 20cm 20 Pieces

Features:

• 4 lines of 20 characters each
• White characters on blue background
• Contrast via a potentiometer on V0 (0 V to 5 V)
• In 4-bit mode RS, E and D4 to D7 are sufficient, RW is tied to GND
• Backlight A to 5 V, K to GND
• No pin header soldered on

Application Examples:

• Display of several measured values
• Menus and status displays in devices
• Text on several lines

Documentation:

• Character LCD with Arduino tutorial (Last Minute Engineers)
• LCD with I2C interface tutorial (Last Minute Engineers)
• LiquidCrystal library (GitHub)

Technical Data:

• Model: 2004 character LCD (marking 2004A)
• Controller: ST7066
• Operating voltage: 5 V
• Character resolution: 5 × 8 dots
• Characters: 4 lines × 20 characters
• Backlight: white characters on blue background
• Connections: VSS, VDD, V0, RS, RW, E, D0 to D7, A, K
• Dimensions: 60 × 98 × 14 mm
• Weight: 72 g

Scope of Delivery:

• 1× LCD display 2004