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Re: wiring 3 phase using a nueral line
Your mention of 230V power tells me you're not in the US, but if you were, the neutral would nevernevernever be interrupted
Your copter will need more current to get aloft: amps, not milliamps. The standard battery is 500 mAh.
Here's an interesting write-up on flight times vs battery capacity.
Speculating here: Maybe an open-frame 5VDC supply could be turned down to 4.2 volts?
That's the way I remember it, too: that some of the outputs had fewer product-term inputs than others.
But I can't find a data-sheet on line that shows that: they all have seven inputs, which should be enough.
Maybe the tool in use can be targeted to a slightly-different PAL/GAL.
A book about ARM will have to cover topics specific to ARM, and there is nothing ARM-specific in C.
You don't need to learn assembly-language to program a microcontroller , but it will help in the long run.
By that, I mean that you will eventually need to make something run faster or require...
It may be because you did not give the compiler a prototype of "ReadTemperature()", forcing it to use an assumed type.
There are prototypes for almost everything else, so give that a try.
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