LCD Terminal - Revision history

Christian: /* Result */ filename

2011-06-12T19:55:44Z

‎Result: filename

2011-06-12T19:50:45Z

‎Result: added

2011-06-12T19:42:31Z

‎Microcontroller

2011-06-12T19:41:29Z

‎Printed Circuit Board: reduced picture size

2011-06-12T19:38:27Z

‎Printed Circuit Board

2011-06-12T19:24:07Z

‎Printed Circuit Board: reduced picture size

2011-06-12T19:20:20Z

‎Printed Circuit Board

2011-06-12T18:33:17Z

‎Schematic

2011-06-11T20:54:05Z

‎Microcontroller

2011-06-11T20:52:56Z

‎Microcontroller: added programmer

@@ Line 41: / Line 41: @@
 <gallery>
-File:DisplayPIC final.jpg|the complete circuit in operation
+File:DisplayPIC_final.jpg|the complete circuit in operation
-File:DisplayPIC display.jpg|the display showing the startup "screen"
+File:DisplayPIC_display.jpg|the display showing the startup "screen"
 </gallery>
 [[Category:Electronics]]

← Older revision		Revision as of 19:50, 12 June 2011
Line 37:		Line 37:

	== Code ==		== Code ==
		+	== Result ==
		+	The circuit and the program finally worked! It does not have much practical use, because the display is much too small and the boot process of a Linux much too fast for a serial connection with 9600 baud. But I had fun in developing it and that is all that matters:
		+
		+	<gallery>
		+	File:DisplayPIC final.jpg\|the complete circuit in operation
		+	File:DisplayPIC display.jpg\|the display showing the startup "screen"
		+	</gallery>

	[[Category:Electronics]]		[[Category:Electronics]]

@@ Line 14: / Line 14: @@
 One important feature of this microcontroller family that it includes an internal 4MHz oscillator, which means I don't have to include clock generation circuitry.
-To flash new software into the PIC I required a flash programmer. The official in-circuit debugger (ICD) from Microchip was too expensive for this little project, so I decided to build a programmer on my own. I made a programmer similar to [http://www.sprut.de/electronic/pic/brenner/index.htm#brenner5 Brenner5] from Sprut's homepage (you can find more details in [[PIC programmer]]).
+To flash new software into the PIC I required a flash programmer. The official in-circuit debugger (ICD) from Microchip was too expensive for this little project, so I decided to build a programmer on my own. I made a programmer similar to [http://www.sprut.de/electronic/pic/brenner/index.htm#brenner5 Brenner5] from Sprut's homepage (you can find more details under [[PIC programmer]]).
 === Schematic ===

@@ Line 24: / Line 24: @@
 The first attempt was that I created a PCB layout in Eagle and printed it on a sheet of paper. I then tried to copy that manually onto a blank PCB:
-[[File:DisplayPIC board1.jpg|none|400px]]
+[[File:DisplayPIC board1.jpg|none|300px]]
 But when I then put the board into the etching solution, the following happened:
-[[File:DisplayPIC board1 fail.jpg|400px]]
+[[File:DisplayPIC board1 fail.jpg|300px]]
 I did some additional reading and finally decided that I wanted to spend my time on microcontroller programming, not on PCB fabrication. So the second attempt was using a simple hole pattern board (the layout was still done in Eagle):
-[[File:DisplayPIC board2.jpg|400px]]
+[[File:DisplayPIC board2.jpg|300px]]
 On the top side you can see the ''In-circuit Serial Programming (ICSP)'' connector, used for programming and for power supply. The ribbon cable to the left attaches a serial [[Wikipedia:D-subminiature|D-sub connector]] and the ribbon cable to the right connects the display.

@@ Line 33: / Line 33: @@
 [[File:DisplayPIC board2.jpg|400px]]
 == Code ==
 [[Category:Electronics]]

← Older revision		Revision as of 20:52, 11 June 2011
Line 13:		Line 13:

	One important feature of this microcontroller family that it includes an internal 4MHz oscillator, which means I don't have to include clock generation circuitry.		One important feature of this microcontroller family that it includes an internal 4MHz oscillator, which means I don't have to include clock generation circuitry.
		+
		+	To flash new software into the PIC I required a flash programmer. The official in-circuit debugger (ICD) from Microchip was too expensive for this little project, so I decided to build a programmer on my own. I made a programmer similar to [http://www.sprut.de/electronic/pic/brenner/index.htm#brenner5 Brenner5] from Sprut's homepage.

	=== Schematic ===		=== Schematic ===