Hello, I was trying to PWM with Arduino UNO and took a scope and saw that the PWM were between 5V and 0V. This is when I use the USB as the source of power for Arduino and seeing the output is at 5V and 0V. How do I change the 0V to something else? Is it even possible in Arduino to set the low va…

PWM at different voltage?

CrossRoads May 21, 2014, 7:56pm 6

If you run the PWM thru a capacitor, the output could end up looking like a +/- 2.5V signal.

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