How do I convert a 5 V DC to 3.3 V DC using resistors (voltage divider)? I have a couple of 220 Ω, 560 Ω, 2.2 kΩ and 10 kΩ resistors.
What number diode can be used to rectify 25 v DC? What resistor to get only 1.5 to 2.5 v?