0-30V 0-5A regulated variable power supply circuit
Do Not Make This circuit If You are not brave enough. Read more
Power supply
LM317 with pass 2N3055 transistor circuit regulators
High quality, 3A adjustable voltage regulator. Using LM317 and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V. Read more
0-60V Dual Variable power supply circuit using LM317&LM337
This is a 0-60V, Dual Variable power supply circuit using LM317 and LM337 at 1.5A current so can builds to easy with PCB layout, adjustable voltage VR1,VR2 […] Read more
Creating Transistor Series Voltage Regulator circuit
Small Zener diode voltage regulator circuit with PCB, using transistor and few parts. it is simple and cheap fixed dc source circuit. As one of best choice. Read more
LM317 Regulated Power Supply Voltage Select to 1.5V,3V,4.5V,5V,6V,9V 1.5A
This is LM317 voltage selector power supply projects can select output 1.5V,3V,4.5V,5V,6V,9V at 1.5A current. you can use as as battery, so saving. Read more