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Archives for 2025

Build this Car Radiator Hot Indicator Circuit

Last Updated on June 7, 2025 by Admin Leave a Comment

car radiator indicator circuit 1

Here we are going to see one small but very useful car safety circuit which is actually made for warning the car driver much before the radiator gets overheated. That […]

Filed Under: Car and Motorcycle Projects, Indicators Tagged With: Build, Car, Hot, Indicator, Radiator

How to Convert 1.5V to 12V DC using 2 Transistor Circuit

Last Updated on June 7, 2025 by Admin Leave a Comment

FNKON0WH78T8LG3.LARGE  1

So here in this post we are going to see how we can make one small 1.5V to 12V converter circuit using just two common transistors and one cheap coil. […]

Filed Under: Power supply Tagged With: 12V, Convert, DC, Transistor

Understanding BJT Common Collector Amplifier Circuit with Formulas

Last Updated on November 19, 2025 by Admin Leave a Comment

So here we are talking about one more type of BJT amplifier, that is called Common Collector Amplifier. In this type of connection we give the input signal to the […]

Filed Under: Amplifier Circuits Tagged With: Amplifier, BJT, Collector, Common, Formulas, Understanding

BJT Phase Splitter Circuit Explained

Last Updated on December 1, 2025 by Admin Leave a Comment

So here we are talking about that Phase Splitter circuit which is also one type of BJT means bipolar junction transistor configuration. Now in this type of setup what happens […]

Filed Under: Amplifier Circuits Tagged With: BJT, Explained, Phase, Splitter

DIY 0–300V DC Variable Power Supply – Transformerless Design

Last Updated on May 14, 2025 by Admin 7 Comments

Mosfet regulator 300v circuit

We Made This Simple Transformerless Power Supply with MOSFET, That Gives 0 to 300V DC and Adjustable Current, But Careful… It is Super Dangerous to touch in uncovered condition…. So […]

Filed Under: Power supply Tagged With: 300V, DC, DIY, Power, Supply, Variable

BJT Common Base Amplifier Circuit Explained

Last Updated on March 27, 2026 by Admin Leave a Comment

So here we are talking about this Common Base Amplifier. Right. That one is just another kind of BJT setup. We also call it Bipolar Junction Transistor. Now in this […]

Filed Under: Amplifier Circuits Tagged With: Amplifier, Base, BJT, Common, Explained

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