mirror of
git://projects.qi-hardware.com/ben-blinkenlights.git
synced 2024-11-24 00:40:36 +02:00
ubb-vga/web/index.html: minor wording improvement; give images more space
This commit is contained in:
parent
3f054e1f90
commit
0937c4abec
@ -18,7 +18,7 @@ workable VGA signal on the
|
|||||||
The video signal timing is controlled by software. Available resolutions
|
The video signal timing is controlled by software. Available resolutions
|
||||||
include 640x480 and 800x600.
|
include 640x480 and 800x600.
|
||||||
At present, the maximum resolution is 1024x768 with a refresh rate of 50 Hz:
|
At present, the maximum resolution is 1024x768 with a refresh rate of 50 Hz:
|
||||||
<BR>
|
<P>
|
||||||
<A href="ubb-vga-pub-1024.jpg"><IMG src="ubb-vga-pub-1024-small.jpg"></A>
|
<A href="ubb-vga-pub-1024.jpg"><IMG src="ubb-vga-pub-1024-small.jpg"></A>
|
||||||
<P>
|
<P>
|
||||||
The 16 colors are generated from a binary channel for red, green, and blue
|
The 16 colors are generated from a binary channel for red, green, and blue
|
||||||
@ -41,11 +41,11 @@ The pictures below show a prototype that connects directly to a VGA cable:
|
|||||||
|
|
||||||
<A href="ubb-vga-pub-v2.jpg"><IMG src="ubb-vga-pub-v2-small.jpg"></A>
|
<A href="ubb-vga-pub-v2.jpg"><IMG src="ubb-vga-pub-v2-small.jpg"></A>
|
||||||
<P>
|
<P>
|
||||||
The circuit is very simple. In its simplest form, it consists of UBB,
|
The circuit is very simple. In its most basic form, it consists of UBB,
|
||||||
ten resistors, and the VGA cable:
|
ten resistors, and the VGA cable:
|
||||||
<BR>
|
<P>
|
||||||
<A href="ubb-vga-schem.png"><IMG src="ubb-vga-schem-small.png"></A>
|
<A href="ubb-vga-schem.png"><IMG src="ubb-vga-schem-small.png"></A>
|
||||||
<BR>
|
<P>
|
||||||
Each of the three analog color channels uses three resistors for lowering
|
Each of the three analog color channels uses three resistors for lowering
|
||||||
the 3.3 V logic voltage to the 0.7 V analog VGA level and for mixing in the
|
the 3.3 V logic voltage to the 0.7 V analog VGA level and for mixing in the
|
||||||
luminance (Y) signal. The tenth resistor pulls down the HSYNC/CMD
|
luminance (Y) signal. The tenth resistor pulls down the HSYNC/CMD
|
||||||
|
Loading…
Reference in New Issue
Block a user