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videooverlayshield [2013/10/22 20:44] – created ericvideooverlayshield [2023/02/28 13:53] (current) eric
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 ====== VideoOverlayShield ====== ====== VideoOverlayShield ======
 +
  
 The VideoOverlayShield is an Arduino compatible shield board that overlays text on analog video, using the Maxim MAX7456 on-screen display chip. The VideoOverlayShield is an Arduino compatible shield board that overlays text on analog video, using the Maxim MAX7456 on-screen display chip.
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 The software pin definitions are:  The software pin definitions are: 
-#define DATAOUT 11        // MOSI  +<code> 
-#define DATAIN  12        // MISO +#define DATAOUT 11        // MOSI 
 +#define DATAIN  12        // MISO
 #define SPICLOCK  13      // serial clock  #define SPICLOCK  13      // serial clock 
-#define MAX7456SELECT 10  // serial select  +#define MAX7456SELECT 10  // serial select 
-#define VIDEOLOS 8        // video loss detection  +#define VIDEOLOS 8        // video loss detection 
 +</code>
  
 There is a thread on the Arduino forum that has software for using the MAX7456 with the Arduino. I've used this exact software with this board and it works great.  There is a thread on the Arduino forum that has software for using the MAX7456 with the Arduino. I've used this exact software with this board and it works great. 
 The thread is here: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1220054359/all The thread is here: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1220054359/all
  
videooverlayshield.1382499893.txt.gz · Last modified: 2013/10/22 20:44 by eric