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Power Supply Circuits

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220V SMPS Circuit using One Transistor

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article teaches how to make 220V SMPS Circuit using One Transistor, it connect to wall socket of 220V and only uses one transistor called MJE13005. No need for special chip or many extra parts to the control power. It uses one special diode and wire coil on transformer to control voltage in different way. […]

Filed Under: Power Supply Circuits, Transistor Circuits

5 Watt LED Driver Circuit (SMPS)

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This 5 Watt LED Driver Circuit (SMPS) tell how to make power supply using wall plug to turn ON bright LEDs. It is made for white LEDs but also can work with blue, green, red, yellow, even UV light. What is a 5 Watt LED Driver Circuit: A 5 watt LED light is powered by […]

Filed Under: LED and Lamps, Power Supply Circuits

SMPS Halogen Lamp Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

SMPS Halogen Lamp Circuit mostly need transformer for working. This post talk about new type transformer using switching power supply. It is more simple than older transformers and can work with other bulbs too if they do no use radio wave RF. This new design also save energy. What is a SMPS Halogen Lamp Circuit: […]

Filed Under: LED and Lamps, Power Supply Circuits

Dual 35V 300 Watt SMPS Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

In this article we will discuss about Dual 35V 300 Watt SMPS Circuit. It gives two 35V power output and are used for high power things. It work fast and save energy an is good for big electronic project. What is a Dual 35V 300 Watt SMPS Circuit: A strong dual 35V 300 Watt SMPS […]

Filed Under: Power Supply Circuits

12V 5 Amp SMPS Power Supply Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article teaches about 12V 5 Amp SMPS Power Supply Circuit with MOSFET and optocoupler. It gives 12 volt power with 5 amp current and is used for small to medium electronic device. This circuit works fast with not much heat and also save power. What is a 12V 5 Amp SMPS Power Supply Circuit: […]

Filed Under: Power Supply Circuits

14V SMPS Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This 14V SMPS Circuit talk about power supply that gives 14V and 1 amp output. It is a useful circuit and is used for many thing. This circuit helps for some old electronic parts work again. No need to explain too much how it work because it almost same like one old power supply before […]

Filed Under: Power Supply Circuits

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