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You can't really measure the power output of a dynamo by itself, it doesn't make sense. It depends on the load being placed on it. You could hook up and little LED and resistor to the dynamo and it would only put out as much power as those components will take(less than a watt). Or you could hook up a 60W bulb and it would put out much more, up to it's limit. But you can't measure the limit without the load being there. Also, the more load you put on it, the more physical resistance to movement there will be in the dynamo(like changing the gears on a bike to high gear) and the turbine may spin slower from this, which would produce a lower voltage.fzn10 said:Hi, im connecting a dynamo to a turbine which is going to a PIC chip, im interested in measuring the voltage into the PIC chip and then converting that to power. My question is the voltage proportional to the power?