8x2 Character LCD - Black Bezel (Parallel Interface)

SKU: POLOLU-356 Brand: Pololu

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This product has been retired. It is no longer available, but this page has been kept for reference.

This little 8-character, 2-line parallel liquid crystal display is a generic equivalent of the Optrex DMC-50448N-AAE-AD LCD. It is incorporated into some versions of Pololu's A-Star 32U4 Prime microcontroller boards and Pololu's Zumo 32U4 and 3pi robots. It uses the common HD44780 interface, so sample interface code is widely available for a variety of microcontrollers. This is the smallest package Pololu know of for this familiar interface.

You can find sample HD44780 LCD interface code written for a variety of AVR microcontrollers as part of the Pololu AVR library. If you are using an Arduino board, you can get started with Arduino’s LiquidCrystal library.

Pinout

Pin	Symbol	Function
1	Vss	ground (0 V)
2	Vdd	5 V logic supply voltage
3	Vo	contrast adjustment
4	RS	H/L register select signal
5	R/W	H/L read/write signal
6	E	H/L enable signal
7-14	DB0 – DB7	H/L data bus for 4- or 8-bit mode

Note: This item ships without pins (the pads are standard 0.1" spacing), connectors, or cables.

People often buy this product together with:

0.100" (2.54 mm) Female Header: 1x5-Pin, Straight

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Pololu Carrier with Sharp GP2Y0A60SZLF Analog Distance Sensor 10-150cm, 5V

Dimensions

Size:	40 x 35 x 7 mm
Viewing area:	30 x 14 mm
Dot size:	0.5 x 0.5 mm
Character size:	2.78 x 4.49 mm
Weight:	12 g

General specifications

Minimum logic voltage:	4.5 V
Maximum logic voltage:	5.5 V
Supply current:	2 mA

File downloads

Optrex DMC50448N-AAE-AD datasheet (109k pdf)

Pololu's 8×2 LCD is a generic equivalent of the Optrex DMC50448N-AAE-AD LCD, so the specifications and characteristics listed in Optrex’s datasheet apply.
HD44780 interface datasheet (330k pdf)

This document details the HD44780 parallel interface that is an industry standard for dot-matrix LCDs.

Recommended links

PololuHD44780 LCD library for Arduino

This is a C++ library for the Arduino IDE that allows you to control an LCD that uses the Hitachi HD44780 protocol.

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Retired

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