What is a switching power supply, and how does it work?
Why people pick switching power supply? the high-efficiency power supply in small. So, should learn it works and more? Easy than you think. Read more
Why people pick switching power supply? the high-efficiency power supply in small. So, should learn it works and more? Easy than you think. Read more
I like the 12V LED. But I have only 3V of batteries. So, No light. When using this circuit, I can get light of the LED at 100 mA. And, an adjustable output voltage.
Learn 15 simple electronic circuits list for a beginner. To fast make and inexpensive. Understanding electronic circuits are important. Read more
If you are looking for a power supply circuit. Here may be the choice you need. over 150+circuits with PCB and easy to build, low price for a beginner. Read more
This is 5V to 12V boost converter circuit or higher using transistor circuit,When if you want a negative voltage from a positive power supply. Read more