DC converter step down voltage
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
5V 3A Switching Regulator using LM2576
This is 5V 3A Switching Regulator circuit by LM2576-5.0 is simple switching power supply 3A step down regulator for power digital circuits. […] Read more
Low Power LED driver circuit with Save energy Switch mode
How to make it light long time or use battery longer than usual. we use this Switch mode LED driver circuit using transistors. and simple circuit below […] Read more
DC to DC Buck converter working principle
This is a DC to DC Buck converter working principle. We often use it as a step down DC to DC converter circuit. Because it is a switching mode power supply. Read more