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8X8 Matrix LED segment (Not Module)

8X8 Matrix LED segment (Not Module)

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8X8 Matrix LED segment (Not Module)


 
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  • SKU: 350549
  • Category: LED
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Pin Number

Description

NEGATIVE TERMINALS

1

PIN1 is taken out from 4th COLUMN

2

PIN2 is taken out from 2nd  COLUMN

5

PIN5 is taken out from 1st  COLUMN

7

PIN7 is taken out from 3rd COLUMN

8

PIN8 is taken out from 6th COLUMN

9

PIN9 is taken out from 8th COLUMN

12

PIN12 is taken out from 5th COLUMN

14

PIN14 is taken out from 7th COLUMN

POSITIVE TERMINALS

3

PIN3 is taken out from 2nd ROW

4

PIN4 is taken out from 3rd  ROW

6

PIN6 is taken out from 5th  ROW

10

PIN10 is taken out from 4th  ROW

11

PIN11 is taken out from 6th  ROW

13

PIN13 is taken out from 1st  ROW

15

PIN15 is taken out from 7th ROW

16

PIN16 is taken out from 8th  ROW

 

As given in above table, any 8x8 LED MATRIXwill have EIGHT POSITIVE TERMINALS and EIGHT NEGATIVE TERMINALS.

  • EIGHT NEGATIVE TERMINALS are EIGHT COLUMNS.
  • EIGHT POSITIVE TERMINALS are EIGHT ROWS.

These 16 PINS are driven out from 64 LED SEGMENTS present in the MODULE. Those 64 SEGMENTS on the MODULE surface are the 64 LEDS arranged in MATRIX formation.

The internal structure of any LED MATRIX MODULE will be same and is shown below.

8x8 LED Matrix Internal Structure

 

Note: More technical information can be found in the LED Matrix Datasheet linked at the bottom of this page.

 

How to solve PIN CONFIGURATION Issue

As shown above, the POSITIVE and NEGITIVE PINS of MATRIX MODULE are irregular and may lead to problems while controlling the LEDs. This issue becomes even more complex when choosing a different MODULE. The best way to solve these problems is rearrange the terminals based on FUNCTION of PIN instead of PIN NUMBER. After rearranging the PINS, we will have something as below.

Rearranging LED Matrix Pins

As shown in figure, by rearranging the EIGHT ROWS or POSITIVE and EIGHT COLUMNS or NEGATIVE we can completely eliminate the problem of PIN CONFIGURATION. As every module will have same ROWS and COLUMN even if MODULE outlets are random.

 

8x8 LED MATRIX MODULE Features and Specifications

  • Forward Voltage for EACH SEGMENT or LED turning ON: 1.5V-2.0V (2.0V being absolute  maximum forward voltage)
  • EACH SEGMENT or LED Forward Current during ON: 10mA - 15mA (Typically 10mA, 15mA being absolute maximum forward current)
  • EACH SEGMENT or LED Reverse Voltage Maximum: 5V
  • Maximum operating temperature: - 25°C to + 60°

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