Hello,
I have 5V of regulated voltage (USB) and I would like to get from it 3.3V. How to do it? I read that one possibility is to build "voltage divider" (2 serial resistors, maintaining voltage ratio), (Zener) diodes which drop some voltage, voltage regulators, ....
What is the best way to do it? I need quite steady voltage (to power a microcontroller), max. 1A. I would prefer some integrated circuit but I don't know which one - LM3940? LM317? L78L33ACZ? or something else? Or the simple divider would be the best option?