8×8 60x60mm LED Dot Matrix

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Buy 8×8 60x60mm LED Dot Matrix  in Pakistan. The best quality LED available at Tonomech at best Price.

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8X8 LED MATRIX Pin Configuration

LED MATRIX MODULES are available in different modules and each module will have different pin configuration. Here we have shown the pin configuration of 1388A LED matrix module.  Different modules may have different pinout configuration but they have same functioning pins.

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 8×8 LED MATRIX will 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

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.

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  • 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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