This is circuit Simple Regulator By Transistor (C1061). (easy circuit)
To use transformer 1A. Transistor to Hold Heatsink.
circuit Simple Regulator By Transistor (C1061)
PCB Simple Regulator By Transistor (C1061)
This is Circuit Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812. To use transformer 1-2A.
IC-78xx to Hold Heatsink.
Circuit Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812
PCB Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812
This Regulator 1.25-30V 1A By LM317T, To use transformer 1-2A.
IC-LM317T to Hold Heatsink.
Circuit Regulator 1.25-30V 1A By LM317T
PCB Regulator 1.25-30V 1A By LM317T
This Circuit Regulator 0-30V 1A By Transistor (C1061) ,To use transformer 1-2A.
Q3 to Hold Heatsink. 
Circuit Regulator 0-30V 1A By Transistor (C1061)
PCB Regulator 0-30V 1A By Transistor (C1061)
