videooverlayshield
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videooverlayshield [2013/10/22 20:44] – created eric | videooverlayshield [2023/02/28 13:53] (current) – eric | ||
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====== VideoOverlayShield ====== | ====== VideoOverlayShield ====== | ||
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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 | + | < |
- | #define DATAIN | + | #define DATAOUT 11 // MOSI |
+ | #define DATAIN | ||
#define SPICLOCK | #define SPICLOCK | ||
- | #define MAX7456SELECT 10 // serial select | + | #define MAX7456SELECT 10 // serial select |
- | #define VIDEOLOS 8 // video loss detection | + | #define VIDEOLOS 8 // video loss detection |
+ | </ | ||
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:// | The thread is here: http:// | ||
videooverlayshield.1382499893.txt.gz · Last modified: 2013/10/22 20:44 by eric