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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

High Current 100 amp Transistor Power Supply Circuit

Last Updated on March 31, 2025 by Admin Leave a Comment

100 amps 100V

This article here is about one very simple, but super flexible 100-amp variable voltage power supply circuit. We are just using only some BJTs, all connected together in parallel and […]

Filed Under: Power supply Tagged With: 100, Amp, Current, High, Power, Transistor

Build this One Transistor Regulated Power Supply Circuit

Last Updated on March 23, 2025 by Admin Leave a Comment

simplestvariablebenchpowersupplycircuit

So here we are, now we will see a very easy adjustable voltage power supply circuit which also has regulation, and guess what? We only need one transistor for making […]

Filed Under: Power supply Tagged With: Build, One, Power, Regulated, Supply, Transistor

Simplest Water Level Indicator Circuit using Transistor BC547

Last Updated on December 21, 2024 by Admin 4 Comments

So you might be wondering what a water level indicator is. Well it is actually an electronic circuit that helps you see the different levels of water inside a tank. […]

Filed Under: Indicators, Water Sensor and Controller Tagged With: BC547, Indicator, Level, Simplest, Transistor, Water

Simple Transistor Latching Circuit Explained

Last Updated on November 17, 2024 by Admin Leave a Comment

Latch 2

In this article, we’ll explore how to build a basic transistor latch circuit using only two BJTs (Bipolar Junction Transistors) and some resistors. Introduction A transistor latch is a type […]

Filed Under: Tutorials Tagged With: Explained, Latching, Simple, Transistor

Buzzer Circuit Using a Transistor and Piezo Element

Last Updated on June 6, 2025 by Admin Leave a Comment

PiezoStickingDetails

In this article you’ll discover how to construct a very basic buzzer circuit using a piezo electric transducer, two resistors, a small coil, and a BC547 transistor. A buzzer is […]

Filed Under: Audio and Amplifier Tagged With: Buzzer, Element, Piezo, Transistor

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