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Unread 20-01-2015, 22:29
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dtengineering dtengineering is offline
Teaching Teachers to Teach Tech
AKA: Jason Brett
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Re: Amperage Question

Just recall that the PDP gives 12V nominal voltage... it is basically a direct (breaker protected) connection to the battery.

When your motors draw oodles of amps, particularly near the end of a match, you aren't going to get 12V off of it. <edit> Just checked the specs... it calls for 9.5V to 12V. I have definitely seen our past robots drop below 9.5V (briefly) while in operation. This could cause your board to re-boot in the middle of a match. </edit>

The old IFI Robot controllers carried a backup battery to maintain operation during current spikes (and the subsequent voltage drops).

I'd suggest testing it with a slightly used battery and all of your motors stalled.

You might want to consider a DC-DC voltage convertor if you run into problems.

Jason

Last edited by dtengineering : 20-01-2015 at 22:32.