Emily VelascoDoes anyone on here know if the capacitor-resistor combo attached to a pwm output pin of an Arduino gives a decent analog output?
People replied a lot while I was sleeping. I''m not going to give the same response to everyone who was asking what its for, so I'll just say it here. I want to use an arduino to spoof the 0-5V analog throttle signal on this ebike i'm building.
tom jenningsOh! Then absolutely yes, you can RC filter that. The pwm frequency is 400hz on the old ones, and gou want something that moves at the speed of s human hand, like half a hertz max. A half second RC would hit the barn door.
10 uF and 47K ohms is a half second.
1000 Hz would be many many dB down. Its knowable.
Oops I meant 2hz max and that RC reflects that.