1A Voltage Regulator Circuit using 78xx series
First choice of Fixed Regulator using family IC-78xx. It is easy to use, cheap, popular for a long time. Read more
Power supply
18V DC power supply circuit using LM7818
When I need to use DC regulator power supply 18V 1A for the transistors pre tone control circuits. Read more
Simple 3.3V Power Supply circuit @ 1A for Digital
If you would like to build Simple 3.3V Power Supply circuit for digital micro controller or esp8266. This circuit may be one way for you. It can power current at 1A maximum. We normally use common electronics parts, so easy and cheap. Read more
3 High Volts power supply circuits ideas
This is Efficient flyback driver circuit, using IC-555 and Mosfet-IRF510. This circuit uses a 555 timer IC to pulse a 2N2222 with square wave at a frequency that is set by the capacitor and the potentiometers. Read more
