Power bank mobile charger circuit using LM1086
Power bank mobile charger circuit project to backup energy when use portable mobile no electrical outlet. Use LM1086 as main on low dropout voltage. […] Read more
Power supply
LM2575 Simple switcher 1A step down voltage regulator
It is best a fixed regulator IC that high quality than 78xx series IC. It full 1A current output and not heat. Learn it more! Read more
Simple 12V transistor switching power supply
Can we build the switching dc power supply circuit with 2 transistor? This may be a good choice for you. Read more
3 Simple UPS circuits (Uninterruptible Power Supply) Diagram
The simple ups circuit diagram as small emergency backup battery systems, can apply a lot applications, when power go out it will backup power automatically […] Read more
Four Small 5-volts DC Regulator Circuits
This Small 5-volts DC Regulator. without IC-7805. Using transistors are interesting. If you have an old transistor or want to save. It may be a good choice. Read more