LCM4004-A LCD Module

Product Description

The LCM4004-A is a character LCD module commonly used in various display applications. Here are the specifications for the LCM4004-A LCD module:

1. Display Type: Character LCD
2. Display Format: 40 characters x 4 lines
3. Controller: HD44780 or equivalent
4. Module Size: Approximately 190mm x 54mm x 14mm (W x H x D)
5. Viewing Area: Approximately 147mm x 29mm
6. Character Size: Approximately 2.95mm x 4.75mm (W x H)
7. Character Pitch: Approximately 3.55mm x 5.35mm (W x H)
8. Dot Size: 0.55mm x 0.65mm (W x H)
9. Dot Pitch: 0.60mm x 0.70mm (W x H)
10. Operating Voltage: 5V DC
11. Backlight: LED backlight (typically yellow-green)
12. Operating Temperature: -20C to +70C
13. Storage Temperature: -30C to +80C
14. Interface: Parallel interface (4-bit or 8-bit mode)
15. Pin Configuration:
    • 1: VSS (Ground)
    • 2: VDD (Power supply, 5V)
    • 3: V0 (Contrast adjustment)
    • 4: RS (Register select)
    • 5: RW (Read/Write)
    • 6: E (Enable signal)
    • 7-14: DB0-DB7 (Data bus lines)
    • 15: A (LED+ for backlight)
    • 16: K (LED- for backlight)