Oscillators are similar to unique electrical circuits. Like waves in the water it produces electrical ups and downs. These waves can be rough or smooth and curved. Frequency ups and downs are controlled by the circuit. Circuits for oscillators come in many different kinds of forms. To produce smooth curved waves on its output one […]
Transistor Circuits
Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055
Building an efficient circuit for an adjustable power source is described in this article. This circuits ability to modify both voltage and current makes it extremely versatile to almost any type of electronics project. This circuit is designed using a common transistor the 2N3055 and other essential parts. Caution: Building circuits with high voltage can […]
220V Over Under Voltage Cut Off Circuit using Transistors
Two transistors and a few other simple components are all that are needed to create an efficient circuit for the mentioned precautions which may surprise some people. What is a 220V Over Under Voltage Cut Off Circuit: A protective electronic circuit known as a 220V over under voltage cutoff circuit is designed to keep an […]
Simple 220V Inverter Circuit using 2N3055 Transistors
This article shows how to build a powerful inverter circuit that can turn a 12V battery like a car battery into household electricity 220V. It is easy to build, uses few parts and is very efficient. There should be safety measures while using homemade inverters so be sure to check before you build one. What […]
Simple Audio Mixer Circuit using a Single Transistor
The construction of a simple circuit which mixes two sounds is explained in this article. This device uses a single transistor and a tiny switch for mixing two different sounds into one, much like a little DJ mixer. This project is an excellent way to learn how to use electronics for blending sounds. Circuit Working: […]
Simple Lie Detector Circuit using Transistors
Enjoy making this circuit for detecting lies! Real lie detectors are far more complicated so it will not be perfect but it is an an entertaining method to see how our bodies respond to stress. This circuit uses differences in sweating to figure out whether someone is speaking the truth. People who are worried or […]