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Re: Top Ten Things NOT to do with the 2009 FRC Control System
The heading seems a bit alarmist. I usually think of Don't lists as things that will break something. So 5-8 and 10 seem a little overblown. Also:
2. Misleading. You can update in whatever order you like. Should be, "Don't run different software versions (or update levels) on your PC, cRIO, or Driver's Station"
3. Somewhat misleading. You'd probably be fine mounting the cRIO or camera on a small piece of metal, as long as the metal itself is isolated from the rest of your robot's frame.
5. Incorrect. You can use the inputs just fine without pullup or pulldown resistors by actively switching the signal wire from +5V to GND. Or by actively driving the inputs with an external circuit. The only problem is simply connecting signal to ground or 5V and expecting the input to change state when you break that connection.
6. Silly, as the robot won't operate without a dongle. Perhaps, "Don't lose your Enable Dongle" would be more meaningful.
7. Incorrect. The robot wireless, drivers station, and most modern laptop and computer interfaces have auto-sensing technology, and would operate fine with a cross-over cable. So the only cable that absolutely has to be correct is the crossover between port 2 and the camera.
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Lone Star Regional Troubleshooter
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