Adafruit: 8x8 Blue LED Matrix Panel - Revision history

Yoder at 18:34, 14 November 2012

2012-11-14T18:34:13Z

2012-10-23T16:09:18Z

‎Software

2012-10-23T16:03:36Z

‎Inputs and Outputs

2012-10-23T16:02:47Z

‎Inputs and Outputs

2012-10-17T20:12:56Z

‎Overview

2012-10-17T20:11:17Z

‎Inputs and Outputs

2012-10-17T20:07:58Z

‎Overview

2012-10-11T17:45:30Z

‎Software

2012-10-11T17:37:42Z

2012-10-11T17:30:56Z

‎Inputs and Outputs

@@ Line 9: / Line 9: @@
 git/Compiles with make: 2  make works
 Demo:     2
-Total:    8
+Total:    8  Second grading: Looks better, but grade stays the same.
 Comments: Looks good. I wish you would have extended what I did a bit more.
 </pre>

@@ Line 20: / Line 20: @@
 [[File:Matrix Hardware.JPG|300px]]
-[[File:Matrix LED XX|300px]]
+[[File:Matrix LED XX.JPG|300px]]
 == Software ==

@@ Line 19: / Line 19: @@
 The LED Matrix uses an i2c port. Here is the hardware configuration of the Beagle Bone as shown below. Wire up the LED Maxtrix to the Beagle by attaching the Vdd to the 3.3V '''+''' bus, the GND to the '''-''' bus and SDA to SDA (pin 20) and SCLK to SCL (pin 19).  '''You will also need to attach two pull-up resistors'''.  Get two 4.7K&Omega; resistors.  Attach one between SDA and Vdd.  Attach the other between SCL and Vdd.
-[[File:Bone gpio.JPG|300px]]
+[[File:Matrix Hardware.JPG|300px]]
-[[File:BoneGPIO.png|300px]]
+[[File:Matrix LED XX|300px]]
 == Software ==

@@ Line 5: / Line 5: @@
 <pre style="color:red">
 Overview: 2
-Wiring:   2
+Wiring:   1, show a picture with your matrix.
-Code:     2
+Code:     1, Clean it up some more.
-git/Compiles with make: 2  gcc works
+git/Compiles with make: 2  make works
 Demo:     2
-Total:    10
+Total:    8
-Comments: Looks good.
+Comments: Looks good. I wish you would have extended what I did a bit more.
 </pre>

@@ Line 17: / Line 17: @@
 == Inputs and Outputs ==
-The LED Matrix uses an i2c port. Here is the hardware configuration of the Beagle Bone as shown below. Wire up the LED Maxtri to the Beagle by attaching the Vdd to the 3.3V '''+''' bus, the GND to the '''-''' bus and SDA to SDA (pin 20) and SCLK to SCL (pin 19).  '''You will also need to attach two pull-up resistors'''.  Get two 4.7K&Omega; resistors.  Attach one between SDA and Vdd.  Attach the other between SCL and Vdd.
+The LED Matrix uses an i2c port. Here is the hardware configuration of the Beagle Bone as shown below. Wire up the LED Maxtrix to the Beagle by attaching the Vdd to the 3.3V '''+''' bus, the GND to the '''-''' bus and SDA to SDA (pin 20) and SCLK to SCL (pin 19).  '''You will also need to attach two pull-up resistors'''.  Get two 4.7K&Omega; resistors.  Attach one between SDA and Vdd.  Attach the other between SCL and Vdd.
 [[File:Bone gpio.JPG|300px]]
 [[File:BoneGPIO.png|300px]]
 == Software ==

← Older revision		Revision as of 20:07, 17 October 2012
Line 3:		Line 3:

	== Overview ==		== Overview ==
		+	<pre style="color:red">
		+	Overview: 2
		+	Wiring: 2
		+	Code: 2
		+	git/Compiles with make: 2 gcc works
		+	Demo: 2
		+	Total: 10
		+	Comments: Looks good.
		+	</pre>

	This Mini Project dealt with using Adafruit's 8x8 Blue LED Matrix. The source code they provided is written for Arduino. However, I am using the Beagle Bone instead. Luckily, Dr. Yoder has provided an example program called matrixLEDi2c.c that interfaces the Beagle. You can download or observe his source code here: [https://github.com/MarkAYoder/BeagleBoard-exercises/tree/master/i2c Dr. Yoder's github repository]. I editted this code to retain most of Dr. Yoder's original code, plus I added a design of my own. You can download my updated version from [https://github.com/jungeml/MiniProject02 jungeml's github repository].		This Mini Project dealt with using Adafruit's 8x8 Blue LED Matrix. The source code they provided is written for Arduino. However, I am using the Beagle Bone instead. Luckily, Dr. Yoder has provided an example program called matrixLEDi2c.c that interfaces the Beagle. You can download or observe his source code here: [https://github.com/MarkAYoder/BeagleBoard-exercises/tree/master/i2c Dr. Yoder's github repository]. I editted this code to retain most of Dr. Yoder's original code, plus I added a design of my own. You can download my updated version from [https://github.com/jungeml/MiniProject02 jungeml's github repository].

← Older revision		Revision as of 17:37, 11 October 2012
Line 12:		Line 12:
	[[File:Bone gpio.JPG\|300px]]		[[File:Bone gpio.JPG\|300px]]
	[[File:BoneGPIO.png\|300px]]		[[File:BoneGPIO.png\|300px]]
		+
		+
		+	== Software ==
		+
		+	I only changed code in 'matrixLEDi2c.c' file. I added my own design and also turned off the Matrix when the program was finished. As seen below:
		+
		+	<pre>
		+
		+	</pre>
		+	This code example and the required resources can be found in [https://github.com/jungeml/MiniProject02 jungeml's github repository]