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Dual Regulated Power Supply 3V,5V,6V,9V,12,15V using LM317,LM337

Last Updated on: July 14, 2025 by Apichet Garaipoom
Dual power supply, 3V, 5V, 6V, 9V, 12V, 15V Using LM31,LM337

Dual power supply circuit,can select voltage levels 3V,5V,6V,9V,12,15V at 1A and -3V,-5V,-6V,-9V,-12V,-15V at 1A, use LM317 (positive) LM337(negative) […] Read more

Categories Power supply 17 Comments

Current booster circuits for IC-78xx

Last Updated on: February 1, 2025 by Apichet Garaipoom
Learn Current booster circuits

2 ways to increase current from IC-7805 or IC78xx series Learn more more low cost! Read more

Categories Power supply 26 Comments

On-Off Light/Temperature Controller Circuit using 741 Comparator

Last Updated on: July 17, 2024 by Apichet Garaipoom
Learn ON-OFF Light and Temperature Controller using 741

I like to learn about the circuits used to detect temperature and light. To control various loads. Are you the same as me? Here is an On-Off Light or Temperature Controller Circuit using a 741 OP-AMP Comparator. Some people say that learning simple circuits is a waste of time. Because in this era, almost everything … Read more

Categories Controls & Timers Leave a comment

12V, 10A Regulated Power Supply

Last Updated on: August 21, 2024 by Apichet Garaipoom
12V, 10A Regulated Power Supply Using IC 723+2N3055

This is 12V 10A power supply circuit can use it instead of normal 12V car battery. But save and easy to use when you are in your house. Read more

Categories Power supply 10 Comments

50w MOSFET amplifier circuit OCL using K1058 + J162

Last Updated on: March 1, 2025 by Apichet Garaipoom
50W MOSFET Amplifier circuit with PCB -using-K1058-J162

Simple MOSFET Amplifier Circuit easy make! Read more

Categories Audio Circuits 8 Comments
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