Led Matrix 32x64 - Revision history

Freestorm at 21:13, 4 September 2011

2011-09-04T21:13:08Z

2011-09-04T20:49:35Z

2011-09-04T20:48:55Z

2011-09-04T20:47:14Z

2011-09-04T20:46:20Z

2011-09-04T20:45:41Z

2011-09-04T20:44:58Z

2011-09-04T20:25:39Z

2011-09-04T20:18:59Z

2011-09-04T20:18:18Z

@@ Line 7: / Line 7: @@
 * ~4A with full matrix in white color
 * 5V signals
+* Serial MCU Interface
 * Price: ~ 150.- USD
@@ Line 17: / Line 17: @@
 # '''DG1''' - GREEN 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)
 # '''DG2''' - GREEN 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

@@ Line 26: / Line 26: @@
 # '''C''' - MUX bit to assign from line 1-16
 # '''D''' - MUX bit to assign from line 1-16
-# '''CLK''' - clock next bit, rising edge)
+# '''CLK''' - clock next bit, rising edge
-# '''LAT''' - latch shifted data to output, rising edge)
+# '''LAT''' - latch shifted data to output, rising edge
-# '''EN''' - enable drives LEDs from latched data?, 0 = enable)
+# '''EN''' - enable drives LEDs from latched data?, (0 = enable)
 # '''GND'''

@@ Line 26: / Line 26: @@
 # '''C''' - MUX bit to assign from line 1-16
 # '''D''' - MUX bit to assign from line 1-16
-# '''CLK''' - clock (next bit, rising edge)
+# '''CLK''' - clock next bit, rising edge)
-# '''LAT''' - latch (latch shifted data to output, rising edge)
+# '''LAT''' - latch shifted data to output, rising edge)
-# '''EN''' - enable (drives LEDs from latched data?, 0 = enable)
+# '''EN''' - enable drives LEDs from latched data?, 0 = enable)
 # '''GND'''

@@ Line 1: / Line 1: @@
 === Matrix reference ===
-* Size: 64x32 RGB LEDs (127x256mm)
+* Size: 32x64 RGB LEDs (127x256mm)
-* Organization: 2 blocks (upper and lower) with each 16 lines à 64 LEDs
+* 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

@@ Line 12: / Line 12: @@
-== Input pins ==
+=== Input pins ===
 # '''DR1''' - RED for lines 1-16 (1 = LED on)
 # '''DG1''' - GREEN for lines 1-16 (1 = LED on)
@@ Line 31: / Line 31: @@
-== Pictures ==
+=== Pictures ===
 [[File:Ledmatrix_1.JPG||500px]]
 [[File:Ledmatrix_2.JPG||500px]]

← Older revision	Revision as of 20:46, 4 September 2011
(No difference)

@@ Line 15: / Line 15: @@
 == Pictures ==
-[[File:Ledmatrix_1.JPG]]
+[[File:Ledmatrix_1.JPG||500px]]
 [[File:Ledmatrix_2.JPG]]