little updates (a bit of harmonizing)

This commit is contained in:
marschap
2007-04-14 06:38:48 +00:00
parent 46585d196e
commit 2695c2fdd6
2 changed files with 23 additions and 24 deletions
+1 -1
View File
@@ -9,7 +9,7 @@ This section talks about using LCDproc with VFD displays in Medion MD8800 PCs.
<title>Features</title> <title>Features</title>
<para> <para>
You may find more information about the LCD on Martin Moeller's homepage You may find more information about the LCD on
<ulink url="http://www.martinm-76.dk/md8800/LCD/">Martin Moeller's homepage</ulink>. <ulink url="http://www.martinm-76.dk/md8800/LCD/">Martin Moeller's homepage</ulink>.
</para> </para>
</sect2> </sect2>
+15 -16
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@@ -159,8 +159,8 @@ the datasheet.
<title>Serial Connections</title> <title>Serial Connections</title>
<para> <para>
It is NOT possible to connect most of the displays directly to the It is <emphasis>not</emphasis> possible to connect most of the displays directly to the
serialport. The signal has to be inverted. I use the following serial port. The signal has to be inverted. I use the following
circuit to do that job. circuit to do that job.
</para> </para>
@@ -173,27 +173,26 @@ Computer Display
HDD Powerconnector HDD Powerconnector
color(Voltage) color(Voltage)
red(+5V) --------------------------------o----- +5V red(+5V) ----------------------------------o----- +5V
| |
black(GND) --------------------o | black(GND) ----------------------o .-.
| R | | | 10k
| R 10k Serial(SUB-D 9Pin female) | | |
Serial(SUB-D 9Pin female) V* R pin(signal) V* '-'
pin(signal) | ___ |
| 3(TxD) --|___|--o---o o-----------------o----- RxD
3(TxD) --RRRR--o--o o-----------------o----- RxD
10k | | | 10k | | |
| | C| | | C|
| | ----- BC547c (or similar NPN) .-. | ----- BC547c (or similar NPN)
R | B| / | | | | B| / |
10k R o--|-| | 10k | | o--|-| |
R | \ | '-' | \ |
| --->- A* | --->- A*
| E| | | E| |
| | | | | |
5(GND) --------o----------o----o--------------o-- GND 5(GND) ---------o-----------o----o--------------o-- GND
|* |*
Shield ---------------------------------------o Shield -----------------------------------------o
optional optional
*connect near display *connect near display