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Segment displays & matrices

Products: 54
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7-segment display x2 - 10mm red - common cathode

The dual 7-segment display allows the display of two digits and some letters.
5.0 (3)
Index: LCD-06281
Index: LCD-06281
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Regular price €2.50 Price €1.50
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LED Matrix 16x8 MAX7219 for Raspberry Pi

The cover plate is equipped with two 64 LED matrices' slots. Two LED matrix modules with a total of 128 LEDs and red colour are included. The overlay module is based on the...
Index: OST-18523
Index: OST-18523
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Regular price €8.90 Price €8.90

Eight-segment display x1 - 14mm green - common cathode

A single 8-segment display allows the display of a digit along with a period and some letters.
Index: LCD-07288
Index: LCD-07288
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Regular price €1.50 Price €1.50

Grove - Module 4x 7-segment display - digital interface

Grove series four-character 7-segment display module. It allows displaying four digits along with colon and some letters in red. Based on TM1637 chip, it is compatible with...
5.0 (5)
Index: SEE-11293
Index: SEE-11293
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Regular price €5.90 Price €5.90

Eight-segment display - 14mm red - common cathode

Single 8-segment display of digits with points and some characters.
5.0 (4)
Index: LCD-06448
Index: LCD-06448
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Regular price €0.50 Price €0.50

Eight-segment display x1 - 14mm green - 8 mcd - common cathode

Single 8-segment display which displays digits with a dot and some characters.
5.0 (4)
Index: LCD-07306
Index: LCD-07306
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Regular price €1.00 Price €1.00

Matrix LED 8x8 + driver MAX7219 - small 32x32mm with wires

Matrix module consisting of 64 LEDs arranged in an 8 x 8 square. The set consists of the board with built-in controller and martix as well as female-female wires.
4.0 (1)
Index: MOD-07798
Index: MOD-07798
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Regular price €4.50 Price €4.50

Eight-segment display x4 - 14mm red - common anode

Quadruple 8-segment display of four digits along with points and some letters.
5.0 (5)
Index: LCD-06449
Index: LCD-06449
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Regular price €1.90 Price €1.90

Eight-segment display x2 - 14mm red - common anode

Dual 8-segment display two digits along with points and some characters.
5.0 (1)
Index: LCD-06434
Index: LCD-06434
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Regular price €0.90 Price €0.90

Eight-segment display x3 - 14mm red - common anode

Triple 8-segment display allows you to display three digits along with points and some letters.
5.0 (4)
Index: LCD-06447
Index: LCD-06447
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Regular price €1.00 Price €1.00

Elastic matrix 8x32 - 256 RGB LED RGB - WS2812B individually addressed

The matrix consists of 256 individually addressed RGB LEDs arranged in 8 rows and 32 columns. Each pixel can emit a colour from a 24-bit palette. One microcontroller pin is...
4.8 (6)
Index: LED-06185
Index: LED-06185
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Regular price €28.50 Price €28.50

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
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Regular price €17.90 Price €17.90

4-Digit 7-Segment Display with I2C Digit Clock Unit - Red - M5Stack U146

UNIT-Digi-Clock module with a 7-segment display consisting of 4 digits with dots. The numbers are highlighted in red . The module uses TM1637 as the driver IC and...
4.5 (2)
Index: MSS-21787
Index: MSS-21787
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Regular price €7.90 Price €7.90

Eight-segment display x1 - 14mm blue - common anode

Single 8-segment display digits with point and some characters.
Index: LCD-06439
Index: LCD-06439
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Matrix 64x32 - 2048 LED RGB individually addressed

The matrix is composed of 2048 individually addressed RGB LEDs arranged in 32 rows and 64 columns. Each pixel may emit a color from 24-bit palette. Fot the module's controly...
4.0 (1)
Index: DFR-08363
Index: DFR-08363
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Regular price €59.00 Price €59.00

RGB LED Hat for Raspberry Pi 3/2/Zero - Waveshare 12725

Shield for the Raspberry Pi containing the LED matrix 8 x 4 consisting of WS2812B LEDs. Each LED can be individually set. The device has dimensions of 65 x 30 mm, it works with...
Index: WSR-08869
Index: WSR-08869
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Regular price €10.90 Price €10.90

LED matrix 8x8 + MAX7219 controller - small 32x32mm

Matrix module consisting of 64 LEDs arranged in an 8 x 8 square. The set also includes is also a printed circuit board, SPI driver, passive components and goldpin connectors....
4.5 (7)
Index: MOD-01887
Index: MOD-01887
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Regular price €4.00 Price €4.00

Eight-segment display x2 - 14mm blue - common anode

Dual 8-segment display two digits along with points and some characters.
5.0 (1)
Index: LCD-06435
Index: LCD-06435
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Regular price €2.90 Price €2.90

10-segment LED Bar Display OSX10201-RGB1

10-segment LED display, the range of colors is 4 x red, 3 x green, 3 x blue. It can be used for example as a temperature gauge or liquid level.
5.0 (3)
Index: LED-08171
Index: LED-08171
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Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack - Red - STEMMA QT / qwiic

Adafruit Backpack module with a 7-segment display consisting of 4 digits with dots. The display diagonal is 0.56 " , and the module digits are highlighted in red . The...
Index: ADA-21079
Index: ADA-21079
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Regular price €14.50 Price €14.50

MicroView - USB programmer - SparkFun DEV-12924

USB programmer for the module of MicroView OLED display. The device is equipped with male and female connectors, thanks to this, board can be attached directly or connect using...
Index: SPF-03070
Index: SPF-03070
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Regular price €22.50 Price €10.13
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Driver for SPI alphanumeric display - SparkFun COM-10103

Driver based on the A6282 system allows you to control the alphanumeric segmented display using the SPI bus.
Index: SPF-03272
Index: SPF-03272
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8x8 LED Matrix - LED RGB Matrix Modukle - 64 WS2812B diodes - SB Components 25749

Module with an LED matrix consisting of 64 WS2812B RGB LEDs in a system of 8 columns and 8 rows. The dimensions of the diode are 5 x 5 mm, and the module: 81 x 80 mm. The...
Index: SBC-22945
Index: SBC-22945
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Regular price €19.00 Price €19.00

Neco Unit LED - cat ear shaped board with RGB LEDs - 2 pieces - M5Stack U163

Neco Unit LED is a cat ear-shaped board with RGB LEDs from M5Stack . Equipped with 35 WS2812C-2020 RGB LEDs, it offers countless lighting effect configurations. With two...
Index: MSS-23507
Index: MSS-23507
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Regular price €16.50 Price €16.50

Construction and principle of operation of segment displays

The typical construction of a segment display uses LED diodes , which conduct current when voltage is applied to the pn junction, which is manifested by the illumination of one or more segments. Most often, segment displays are 8-segment, consisting of four vertical or inclined lines and three horizontal lines in the shape of the number 8 and the eighth segment in the shape of a dot. The diodes forming single segments will glow only when a forward bias voltage is applied to them, and the brightness of the segment will depend approximately linearly in proportion to the current flowing through the diode. For this reason, to prevent damage to the display, connect its segments to a voltage source through resistors that limit the flow of current. The color of a segment's light is related to the voltage across the LED that makes up the segment. For the red color, the voltage drop across the diode is approx. 2.0-2.2 V, while for the blue color it is approx. 3.6 V. For a standard, single 8-segment display composed of red LEDs, the current consumption is approx. . 15 mA per segment - taking into account that the display will be controlled by an integrated driver operating at TTL level voltages (5.0 V), and the voltage drop will be 2.0 V per segment, referring to Ohm's law and a series of resistors. E96, display segments should be connected to 220Ω resistors. A 7-segment display may also be the perfect solution for your project.

Controlling segment displays using logic circuits

Segment displays can be controlled from microcontrollers, but also in purely hardware form, e.g. using the CD4511 system, which is a 7-segment driver and BCD decoder in one (the system does not support a display segment imitating a dot) to control displays connected internally in a common cathode system. The system is powered by 5.0 V and is equipped with four inputs marked as A, B, C and D and corresponding to bit weights of 1, 2, 4 and 8, respectively. The controller has seven logical outputs, one for each segment. The maximum output current of a single output is 25 mA. By selecting resistors, you can set the intensity of the segments' lighting according to the project needs.

RGB LED matrices - effective and practical

Matrices of RGB LEDs arranged in the form of a two-dimensional array enable the display of various signs, graphic symbols and more! Such boards are found in everyday life, among others: as mosaic displays of advertisements and passenger information. The LED matrices we offer can be controlled with both Arduino and Raspberry Pi. Thanks to the built-in driver, one microcontroller pin is enough to operate the matrix. The RGB LED matrices we offer are available in various row and column sizes, i.e. from 1x8 to 64x32. Thanks to this, using RGB LED matrices, you will be able to diversify the appearance of the operator panel interface and build a board to display cool animations!

Segment displays enable legible display of various types of information, which consist not only of numbers and letters, but also of special characters. The segment display is used, among others, in electronics, household appliances and calculators. Moreover, it is used in street advertising, various types of measuring instruments, electronic equipment and even street advertising. The 7-segment display is one of the most popular among all displays of this type.

Seeedstudio 7-segment displays are distinguished by easy operation, universal use and wide compatibility. Selected models can be successfully connected to a microcontroller Arduino. Adafruit 7-segment displays are also a good choice. Selected models are controlled exclusively via the I2C interface. Adafruit modules require 5V or 3V to be powered.