9v To 3v Circuit Diagram
Lm317 diagram 3v volts output fritzing circuit if source above microcontroller here 3.3v voltage regulator 3v regulator voltage schematic output input electronics lab pcb
3.3V Voltage Regulator - Electronics-Lab
Lm317 to output 3.3 volts 12v 9v converter step circuits circuit eleccircuit convert 3 step down 12v to 9v converter circuits
