Learn Power supply circuits and projects

Variable zener diode circuit

Last Updated on: August 15, 2024 by Apichet Garaipoom

Let’s make the Zener diode with yourself! Read more

12V Dual Power Supply Circuit using 7812 & 7912

Last Updated on: May 7, 2025 by Apichet Garaipoom

Dual DC Regulator using +12V, -12V and Ground output Read more

Meet constant current source circuits ideas for you

Last Updated on: July 7, 2024 by Apichet Garaipoom

Easy many circuits using transistor, IC and FET you can learn sometimes you may use them! Read more

3 Multi voltage power supply circuits

Last Updated on: July 9, 2022 by Apichet Garaipoom

Multi voltage power supply circuit. There is 2 Dual output, The 12V are +12V,-12V, Ground. And also the 5V are +5V, -5V, Ground. All 1A max. Read more

5V 3A Switching Regulator using LM2576

Last Updated on: April 16, 2022 by Apichet Garaipoom

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