There are many devices and microcontrollers which requires a 3.3V DC power supply for proper operation. This post presents circuit of 5-15V to 3.3V converter using LD1117V33 voltage regulator. This regulator able to provide a fixed output voltage of 3.3V and output current up to 800 mA.
|1.||Power supply (5-15V)||1|
|2.||LD1117V33 voltage regulator||1|
|3.||10μF electrolytic capacitor||1|
|4.||100nF ceramic capacitor||1|
Circuit is designed on a breadboard.