Larger RC time constants require more time to ... to the next time I need some exotic signal fed into a circuit. Just using the Arduino as a function generator will have its uses.

What if you want to take it to the next level? In that case, [Electronoobs] has an Arduino powered RC transmitter with your name on it. But this is no scrap of protoboard with a couple of cheap ...

I had a few problems with the PWM part mainly because the fan made a disturbing noise so I had to add a simple RC filter ... on the Arduino board. I used an LCD shield to display the current ...