NHD-0420DZ-FL-GBW

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Number of Characters:	80
Moisture Sensitivity Level (MSL):	--
Display Format:	20 x 4
Character Format:	5 x 8 Dots
Display Type:	STN - Super-Twisted Nematic
Display Mode:	Transflective
Character Size:	4.75mm H x 2.95mm W
Outline L x W x H:	98.00mm x 60.00mm x 14.00mm
Viewing Area:	76.00mm L x 25.20mm W
Backlight:	LED - Yellow/Green
Voltage - Supply:	4.5 V ~ 5.5 V
Dot Size:	0.55mm W x 0.55mm H
Interface:	Parallel
Operating Temperature:	-20°C ~ 70°C
Text Color:	Blue
Background Color:	Green

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Overview

NHD-0420DZ-FL-GBW is a 30-column by 4-row LCD display module, specified for use with 5V systems. It consist of an 4x30 LCD Character Matrix and its drive circuitry on one single printed circuit board. The small size, high contrast, excellent viewing angle and cost effective provide an impressive solution for OEMs applications.

Applications

NHD-0420DZ-FL-GBW is widely used in real-time monitoring, automation machine, message board, robotics, storing other machine information. It can be used to display the temperature, counts, volume, weight and other measurements accurately. In addition, it\'s also suitable to control the liquid level, pressure, temperature and other parameter in industrial or military controlling system.

Working Principle

NHD-0420DZ-FL-GBW works as a simple matrix. It has 4 rows and 30 columns of text. To display the data, the row and columns are to be turned on sequentially. The different rows are turned on by the Row Driver whilst the Columns are turned on by the Column Driver. This means that each row and column can be controlled independently to display the correct information.The row driver is connected to the LCD module, and can be programmed according to the frame buffer sent by the microcontroller, and goes through the row driving circuit to drive each segment of the display. The column driver is also connected to the LCD module, and it accepts a data byte from the microcontroller, then converts it into 8 parallel information outputs. The 8 parallel information outputs are loaded into the column driving circuit, and go through the column driving circuit to drive each row of the display.

Conclusion

NHD-0420DZ-FL-GBW is a low-cost and efficient LCD display module, a display module that can be used by OEMs to display the temperature, counts, volume, weight and other measurements accurately and effectively. Its wide application range and working principle makes it a great choice for OEMs to use in their projects.

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