LCD 20x4 Blue Backlight Parallel Interface Display Module 2004A

  • RM38.00

  • Product Code: LCD 2004A Blue
  • Availability: In Stock

Standard blue backlight LCD for your Arduino projects, it supports 20 characters wide and 4 rows in white text on blue background was specially developed for low-power applications. It is perfect for your handheld applications since its standard operating voltage 5V.



  • LCD display module with blue blacklight
  • Wide viewing angle and high contrast
  • Display construction: 20 characters x 4 line
  • Easily interfaced with a MCU
  • Low-power consumption
  • Widely used in copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices



  • Number of Characters: 20 characters x 4 line
  • Input Voltage Range: DC 4.5V to 5.5V
  • Operation Voltage for LCD: 5V DC
  • Backlight Forward Current: 120 mA
  • Backlight Forward Voltage Range: 4.1 V to 4.3 V
  • Module Size: 9.8cm x 6cm x 1.2cm
  • Weight: 40g


Package Content:

  • 1 x 1602 LCD



1. VSS: Ground
2. VDD: DC 5V power supply
3. VL: LCD contrast adjustment
4. RS: Instruction / data register selection; RS = 0 : Instruction register; RS = 1 : Data register
5. R/W: Read / write selection
6. E: Enable signal; Active when high-level turns to low-level
7~14. Data input / output lines; 8-bit: D0~D7
15. Blacklight voltage: Positive
16. Blacklight voltage: Negative





LCD Screen Controller / I2C Driver:

LCD Screen Controller I²C / I2C Driver for 1602 & 2004 LCD - PCF8574T


This module has a PCF8574T onboard which reduces the number of data pins needed to control the LCD down to 2

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Tags: LCD, Screen