Electric fish shocker circuit
This is the simple electric fish shocker circuit or fish stunner. It helps in catching fish easier, it use 12V battery to convert to 220V AC. We use few parts so easy and cheap. How it works This...
View Article10V to 350V Adjustable Regulator DC Power Supply
Here is an adjustable regulator DC power supply circuit that can be provided the output high voltage is 10V to 350V. It use the transistor is based so we use often use them. Now, a transistor can...
View Article5 volts DC Regulator Without Transformer Using MOSFET
This is 5 volts DC Regulator power supply that without the transformer so small size, use the MOSFET is based. It is suitable the digital circuit. Caution! This circuit requires very careful to create....
View ArticleDual DC power using 2 terminal transformer
There are many ways to build the dual power supply from a transformer that has one secondary coil.This good way as Figure 1 use two bridge diodes. The first section is normally working, others section...
View ArticleSuper Steady Zener diode circuit
This circuit is used for controls the voltage battery is steady, which the zener diode apply very low current about 1mA only, cause there is ripple voltage about 1 mV at voltage changing between 10 to...
View ArticleConstant current circuit using LED
Normally the voltage drop across LED while forward bias will be about 1.2 to 1.4 volts depend on type of LED by has the temperature coefficient is -1.5 mV per degree Celsius. Which similar to the...
View ArticleMany the 12V 1A power supplies circuits
Mr jafar need to use the 12 volts 1 amp DC Power Supplies. In my sites has many circuits related them. - Cheap and old but sure, use transistor and zener as main...
View ArticleBy: Raja
I want to make 48v 5amp by using transistor .like dvd power supply Plz help me
View ArticleBy: gopalakrishnan madhavan
I am designing a circuit which uses all 230 v AC ,solar energy and wind energy to charge a battery of 12 v dc li ion battery pls suggest me a way to do that
View ArticleBy: Pierre
Hello I really like your site, but Please, could you get someone who’s mother tongue is English to correct all the grammar mistakes!! It really makes understanding what you mean to say very difficult!
View ArticleBy: ElecCircuit.com
Hi Pierre, Thanks for your feedbacks. I will try to use English grow up.
View ArticleBy: PreetKamal
IDesign a ±12 Vdc dual voltage plus earth output switching regulator supplied from a 30 Vdc battery. The output current must be at least 1 A. Using Buck Boost.
View ArticleBy: David W. Rider
I am lost, I need 1.5 volt battery P.S to light two 1.5 v miniature lights for my Buddy L trucks.The lights I have are 1.5 v, .3 amp. these could be wrong. Is there a better choice. HELP ?
View ArticleBy: David W. Rider
PS, USB 5vto 1.5v step down converter circuit, I think this one will work, I require 1.5 v battery source PS to light two 1.5 v miniature lights for my Buddy L. Do I purchase everything from you how...
View ArticleBy: Eric
I am lost, I am looking for the diagram of stabilized power EURO CB 1022 if anyone can help me it would be great.
View ArticleBy: ElecCircuit.com
Hi Eric, Thanks for your question. If I can you. I will be so happy. Do you want a power supply? How many of the voltage and current do you want?
View ArticleBy: Eric
i MADE A MISTAKE PLEASE READ 2022 and not 1022 I need the diagram of this power supply to repait my unit. This power supply is formy TX/RX radio, i need 13.8 volts 20 Amps, According advertisement i...
View ArticleBy: alok kumar singh
hello sir, i have to make an led strip driver of 12v 5amps 60w please help me to make it with smps transformer please help me
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