I'm a student in the middle of a project. I need to know which chip I can use to FADE and control my led matrix.
I know the construction of my matrix, but need some expertise on the led driver. I read that the MAX7219 & 7221 are good drivers but not for fading, only for on and off.
I need to give values to every port from 0 to 255. What I believe I need is three chips that have 16 PWM ports, or am I talking nonsense??? ::)
Please save my day... ;)
EDIT: and what about transistors or other possible ways to use only one driver? Or ofcourse other sollutions in this way...lol:P