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| FIRST provides evidence that many of us are optimists. - mrnoble [more] |
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Help with CMUcam2 serial communication
Hello all,
I'm using a cmucam2 and need some help, this was the best site I could find. I'm interfacing the camera to an oopic S microcontroller. The controller and camera power sources have a common ground. The camera has a 5V and 0V reference taken directly from the controller. The thing is: If the camera is ON, sending any command results in a NCK 95% of the time. If the camera is OFF, commands work as they should all the time! I guess that its drawing power from the serial pins. I don't know what's going on, this has me completely baffled.. I guess its something to do with voltage levels but its beyond me. Any help would be appreciated. Thanks, |
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