Alphanumeric and graphic displays are LCD displays - in other words liquid crystal displays. They are used in many electrical and electronic projects, both for professional and hobby purposes. LCD displays can be easily connected to a microcontroller, thanks to a built-in serial interface and a special control system. Alphanumeric and graphic displays accompany us in our everyday life. We use them for all household appliances and appliances. They can be found in microwave ovens, ovens, washing machines and air conditioners. They are widely used in vending machines. They are inseparable elements of all automation projects. LCD displays differ in the level of technological advancement. The offer of Botland store is available with backlighting in different colors, as well as a version with a screen of different size and resolution. The displays are manufactured by renowned, recognized manufacturers such as DFRobot, Adafruit, OEM and Speedstudio.
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Index: MSS-23506
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Index: SEE-22567
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Alphanumeric and graphic displays
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LCD display 2x16 characters blue + I2C LCM1602 converter
Popular display 2x16 with backlight in blue color with soldered converter of I2C bus. Thanks to this system, to connect the screen, only two data lines and supply 5 Volts and...
Index: LCD-02351
Index: LCD-02351
LCD display 2x16 characters green with connectors - justPi
Alphanumeric LCD display by justPi. It presents values in two lines, 16 characters each . It is powered by 5V. It is characterized by extremely simple operation, high...
Index: JUS-19733
Index: JUS-19733
I2C converter for HD44780 LCD display
The I2C converter for the popular display with controller HD44780 for example, 2x16 characters. Thanks to this system, two data lines and supply 5 Volts and groundare enough...
Index: LCD-02352
Index: LCD-02352
LCD display 2x16 characters - green - justPi
Alphanumeric LCD display produced by justPi company. It presents values in two lines , 16 characters each . It is powered by 5V. It is characterized by extremely simple...
Index: JUS-19738
Index: JUS-19738
LCD display 2x16 characters blue with connectors - justPi
Alphanumeric LCD display by justPi. It presents values in two lines, 16 characters each . It is powered by 5V. It is characterized by extremely simple operation, high...
Index: JUS-19732
Index: JUS-19732
LCD display 4x20 characters blue + I2C LCM1602 converter
Popular 2 x 40 blue backlit display with I2C bus converter soldered in. Thanks to this circuit, two data lines and a 5V power supply and ground are enough to connect the display.
Index: LCD-02640
Index: LCD-02640
LCD display 4x20 characters green - justPi
Alphanumeric LCD display by justPi. It displays values on four lines, 20 characters each . It is powered by 5V. It is characterized by simple operation and numerous...
Index: JUS-19735
Index: JUS-19735
LCD display 4x20 characters green with connectors - justPi
Alphanumeric LCD display by justPi. It presents values in four lines, 20 characters each . It is powered by 5V. It is characterized by extremely simple operation and...
Index: JUS-19736
Index: JUS-19736
DFRobot LCD Keypad v1.1 - display Shield for Arduino
Shield for Arduino with the popular 2x16 character LCD display and five buttons at your disposal. Thanks to LCD KeyPad Shield you can easily create a user interface.
Index: DFR-02729
Index: DFR-02729
LCD display 4x20 characters blue - justPi
Alphanumeric LCD display by justPi. It presents values in four lines, 20 characters each . It is powered by 5V. It is characterized by extremely simple operation, high...
Index: JUS-19734
Index: JUS-19734
LCD graphic display 84x48px - Nokia 5110 - blue
Graphical display is used in Nokia 5110 . The layout is mounted on a circuit Board with connectors goldpin. The module provides a library for the Arduino.
Index: MOD-02650
Index: MOD-02650
LCD display 4x20 characters blue with connectors - justPi
LCD alphanumeric display by justPi. It shows values on four lines, 20 characters each . It is powered by 5V. It is characterised by extremely simple operation. It can be...
Index: JUS-19737
Index: JUS-19737
4-digit 0.56'' display - 7-segment backpack - I2C - red - STEMMA QT / Qwiic - Adafruit 5599
7-segment display with a diagonal of 0.56'' from Adafruit. It enables the display of 4 digits with dots after each digit and one colon between digits 2 and 3. The digits of...
Index: ADA-22204
Index: ADA-22204
Stand for LCD display 2x16 characters
Transparent stand for LCD display 2x16 characters. The kit includes screws for mounting.
Index: GRL-10914
Index: GRL-10914
Grove - LCD display 2x16 characters with backlight (White on Blue)
Monochrome 2 x 16 character LCD display with high brightness backlight from Grove. The module communicates with the control board via the two-row I2C bus. The screen is powered...
Index: SEE-14736
Index: SEE-14736
DFRobot Gravity - 2x16 I2C LCD display - black with RGB backlight
LCD display 2x16 characters with black backlight, it can display the font in any colour from the RGB palette. Communicates with two-wire I2C bus. The kit includes a cable...
Index: DFR-12360
Index: DFR-12360
Grove - LCD display 2x16 characters with RGB backlight
LCD display 2x16 characters with backlight in any color palette RGB. Communicates with the two-wire I2C bus. It is supplied with the voltage from 3.3 V to 5 V. T he kit...
Index: SEE-11326
Index: SEE-11326
Grove - LCD display 2x16 characters with backlight (Black on Yellow)
Monochrome 2 x 16 character LCD display with high brightness backlight from Grove. The module communicates with the control board via the two-row I2C bus. The screen is powered...
Index: SEE-14735
Index: SEE-14735
Grove - LCD display v2.0 2x16 characters with backlight (Black on Red)
Grove module with 2 x 16 characters monochrome LCD display with high brightness backlight. It communicates via the two-row I2C bus. It is powered from 3.3 V to 5 V. A Grove...
Index: SEE-14734
Index: SEE-14734
LCD display 2x16 characters RGB negative + connectors - Adafruit 399
LCD 2x16 character display, based on HD44780 driver with lights in any color from the RGB palette. This model is characterized by the possibility of backlighting in any color...
Index: ADA-02622
Index: ADA-02622
DFRobot Gravity - 2x16 I2C LCD display - gray
LCD display 2x16 characters with backlight in gray. Communicates with two-wire I2C bus. The kit includes a cable adapted to Gravity DFRobot IO Expansion Shield.
Index: DFR-12364
Index: DFR-12364
Alphanumeric display 0,54'' 4-character - red - STEMMA QT / Qwiic - Adafruit 1911
The alphanumeric display produced by Adafruit was based on the HT16K33 controller. The diagonal of the display is 0.54'' , and the resolution is 4 characters (numbers...
Index: ADA-21915
Index: ADA-21915
Grove - 0.54'' Red Quad Alphanumeric Display
Grove module with 4-digit alphanumeric display with high brightness and red backlighting, each digit consists of 14 segments. Powered by 3.3 V to 5 V. Grove cable included in...
Index: SEE-14733
Index: SEE-14733
SparkFun Qwiic Alphanumeric Display - Green - SparkFun COM-18566
Alphanumeric display, based on the VK16K33 controller . It uses the bi-directional I2C bus for communication. Built-in Qwiic connectors make it easy to connect the product...
Index: SPF-21139
Index: SPF-21139
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See also
How are characters created on an LCD display?
A single character on an LCD display is displayed on a matrix usually 5x7 or 5x8 in size, where the first number of the dimension indicates the number of columns and the second number of the dimension indicates the number of rows, with the eighth row usually left blank and is often used as a field for a blinking cursor. The structure of the LCD display uses liquid crystal technology, which, under the influence of an electric field (the source of which is the voltage supplying the display), changes the arrangement of its molecules as a result of changing the polarization of light. LCD displays have much greater possibilities of representing information than single LEDs and segment displays and are characterized by the fact that they can display numbers, letters (which is why they are also called alphanumeric displays), special characters, as well as animations and graphic symbols. The LCD display is standardly equipped with two registers, i.e. a data register and an command register, and can operate in 4-bit or 8-bit mode. The registers contain 3 to 4 selection lines and 8 data lines through which the display communicates with the microcontroller via the GPIO or I2C interface.
LCD display sizes
The display designation "2x16" means that its screen consists of two lines and allows for a maximum of sixteen characters to be placed on a single line. The Botland store offers LCD displays in sizes 2x8, 2x16 and 4x20. If you are new to electronics and programming, it would be best for you to choose a 2x16 display. However, if you are designing extensive automation and control systems, then a good choice will be to use a 4x20 display, which will allow you to display more information at the same time.
Alphanumeric and graphic displays - FAQ
An alphanumeric display is an optoelectronic module (usually LCD) that allows the display of numbers, letters and special characters, which distinguishes it from other types of displays (e.g. seven-segment displays, intended mainly for displaying digits, or graphic screens , capable of presenting icons and even photos ).
The heart of a liquid crystal display is a thin layer of liquid crystals placed between a layer of transparent shape electrodes (defining the display segments) and common electrodes. The whole thing is located between two perpendicularly positioned polarizers - turning on the voltage on a given segment causes the light to twist through the liquid crystal, which leads to darkening or brightening a given area.