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Well, the minimum frequency is zero or DC of course. Just output a constant value all the time. But your max frequency calculation is flawed somewhat. Your maximum frequency has nothing to do with the resolution of your DAC. In fact, I believe that they now use one bit DACs to reproduce CD...
Recall that the Nyquist sampling theorem implies the use of an analog reconstruction filter to recover the original signal and you haven't mentioned what you are using for that. If you sample at min rate (2x) then you need a perfect "brickwall" reconstruction filter which is unachievable in...
Perhaps as simply as the following and if I understand correctly that one end of your N.O. switch is grounded. Wire the led's current limiting resistor to your 9 vdc then your led from that resistor to ground. Now connect a wire from the junction of the resistor and led to your N.O. switch...
Not sure how much detail you require but I believe that the concept is that one motor is commanded based on the encoder of another. Say motor A is given a profile to follow (encoder A position commands vs. time), then motor B is given position commands based on encoder A counts using the...
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