LCD 20x4 Blue Backlight Parallel Interface Display Module 2004A

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.

Features:

• 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

Specification:

• 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

Interface:

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

Documents:

• Tutorial: LiquidCrystal > HelloWorld

Recommendation:

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