Difference between revisions of "Led Matrix 32x64"

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Line 7: Line 7:
 
* ~4A with full matrix in white color
 
* ~4A with full matrix in white color
 
* 5V signals
 
* 5V signals
 
+
* Serial MCU Interface
 
* Price: ~ 150.- USD
 
* Price: ~ 150.- USD
  
Line 17: Line 17:
 
# '''DG1''' - GREEN for lines 1-16 (1 = LED on)
 
# '''DG1''' - GREEN for lines 1-16 (1 = LED on)
 
# '''DB1''' - BLUE for lines 1-16 (1 = LED on)
 
# '''DB1''' - BLUE for lines 1-16 (1 = LED on)
# '''GND'''  
+
# '''GND''' - Ground Reference
 
# '''DR2''' - RED for lines 17-32 (1 = LED on)
 
# '''DR2''' - RED for lines 17-32 (1 = LED on)
 
# '''DG2''' - GREEN for lines 17-32 (1 = LED on)
 
# '''DG2''' - GREEN for lines 17-32 (1 = LED on)
 
# '''DB2''' - BLUE for lines 17-32 (1 = LED on)
 
# '''DB2''' - BLUE for lines 17-32 (1 = LED on)
# '''GND'''
+
# '''GND''' - Ground Reference
# '''A''' - MUX bit to assign from line 1-16
+
# '''A''' - Used for the bit selection of one of 16 rows
# '''B''' - MUX bit to assign from line 1-16
+
# '''B''' - Used for the bit selection of one of 16 rows
# '''C''' - MUX bit to assign from line 1-16
+
# '''C''' - Used for the bit selection of one of 16 rows
# '''D''' - MUX bit to assign from line 1-16
+
# '''D''' - Used for the bit selection of one of 16 rows
# '''CLK''' - clock next bit, rising edge
+
# '''CLK''' - Clock imput for 74HC595 shift register
# '''LAT''' - latch shifted data to output, rising edge
+
# '''LAT''' - Content of 74HC595 Shift Register transferred to output latches
# '''EN''' - enable drives LEDs from latched data?, (0 = enable)
+
# '''EN''' - Enable 74HC138 encoder to set one of 16 rows (0 = enable)
# '''GND'''  
+
# '''GND''' Ground Reference
 +
 
  
  

Latest revision as of 22:13, 4 September 2011

Matrix reference

  • Size: 32x64 RGB LEDs (127x256mm)
  • Organization: 2 blocks (upper and lower) with each 16 lines of 64 LEDs
  • (6) 64 bit shift registers
  • 40ns period = 25MHz max.
  • ~4A with full matrix in white color
  • 5V signals
  • Serial MCU Interface
  • Price: ~ 150.- USD



Input pins

  1. DR1 - RED for lines 1-16 (1 = LED on)
  2. DG1 - GREEN for lines 1-16 (1 = LED on)
  3. DB1 - BLUE for lines 1-16 (1 = LED on)
  4. GND - Ground Reference
  5. DR2 - RED for lines 17-32 (1 = LED on)
  6. DG2 - GREEN for lines 17-32 (1 = LED on)
  7. DB2 - BLUE for lines 17-32 (1 = LED on)
  8. GND - Ground Reference
  9. A - Used for the bit selection of one of 16 rows
  10. B - Used for the bit selection of one of 16 rows
  11. C - Used for the bit selection of one of 16 rows
  12. D - Used for the bit selection of one of 16 rows
  13. CLK - Clock imput for 74HC595 shift register
  14. LAT - Content of 74HC595 Shift Register transferred to output latches
  15. EN - Enable 74HC138 encoder to set one of 16 rows (0 = enable)
  16. GND Ground Reference


Pictures

Ledmatrix 1.JPG Ledmatrix 2.JPG