After all, few of us can create our own wire, our own transistors, or our own integrated circuits. A few months ago, [Julian Ilett] found a problem using the Arduino library for PWM.

If you've got an Arduino of any variety, you might have noticed some of the pins on the board have a tilde mark or PWM printed next to them. What is PWM?

And honestly, a cheaper hobby to get into. With small Arduino boards becoming more popular, Olympia Circuits is jumping into the mix with the Arno Shield.

Posted in Art, LED Hacks Tagged art, constant current, differential, led, pwm, ws2811 ...