YouTube on MSN

NAV lighting system for RC airplanes | 555 timer IC + NAV LED lights for drones and RC planes | Arduino

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...
Android Central on MSN

What is PWM dimming, and what are the alternatives?

Lots of modern phones use pulse width modulation, or PWM, to manage brightness. But what is PWM, why is it harmful, and what ...