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    PAS troubles S866 with Brainpower controller

    Hmm. I'm new to all this. The KT12L was $11 delivered overnight, so I figured there was not much to lose. saneagle, I suspect you might be right about using (in this case) a pull down resistor. The signal line when not connected, from the controller sits logic high. From the KT12, it is low...
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    PAS troubles S866 with Brainpower controller

    So, a happy update (for anyone interested)... Here's what I found 1) Turns out the original pas sensor was bad. With 5v across the power connections, I got very little response from the signal output. So... I purchased a new pas sensor from Amazon. The one I bought was a KT12L. 2) Although the...
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    PAS troubles S866 with Brainpower controller

    Thanks neilh. Your description is what I was expecting, but I get the opposite. As cadence increases, so does the current to the motor util the assist level speed is reached. Then it falls off as one would expect. As cadence decreases, as when you begin an uphill, the current also decreases...
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    PAS troubles S866 with Brainpower controller

    I just retrofitted an S866 display with a Brainpower controller onto wifes bike which previously had only PAS on/off, i.e. did not have selectable PAS levels. Got it all working, BUT the PAS does not behave as I think it should. It seems to begin powering the motor soon after you start...