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Originally Posted by foobert
is there a reason to not just use the programming cable? sure you've got to kludge a connector, but you've already blown $100 for an extra fancy level shifter, or did ifi obfuscate the functionality to the point that it won't work for plain old serial comms?
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The RX and TX ports on the vex controller are TTL. If you keep the camera close to the controller, you can use the TTL on the camera. If you wanted to use the serial comm through the programming port, that should work, but then you'd need to unplug the camera every time you wanted to download new code. Faster to develop code if I can keep the camera and the comm line on at the same time.
Everything people have mentioned here should work, there's always more than one way to make it work.