Arduino LED Fader. September 19, 2020 by T.K. Hareendran Comments 0. ... Quick note: ATmega based Arduino boards (UNO, Nano, Mini, Mega) takes about 100us to read an analogue input, ... The wiper of ...

According to how long it stays in 5V and 0V (using the delay() function) you can obtain the fade effect. If delay() has a low value (for example 50ms or 0.05s) the fading speed will be higher because ...