Hey all, trying to build a low-pass filter for an e-bike project. I have a throttle that basically is just a variable resistor. I want to use the arduino and a torque sensor in place of that throttle. My problem is that I can't just put in a PWM'd signal into the system, it's expecting an analog vol…

low pass filter

Grumpy_Mike November 9, 2010, 7:05pm 13

I would try putting it to pin 3 to ground rather than pin 2.

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