Do anyone want a special doorbell? not just make buzzing sound but this one plays small music tune as well! The Simple Musical Doorbell Circuit using the UM66 IC is very easy to build and requires only a few components,. However, the main part of this circuit is a special chip called the UM66T, which […]
220V Inverter Circuit using 2N3055 Transistors
This article show how to make a strong 220V Inverter Circuit using 2N3055 Transistors, which can change 12V battery like car battery into 220V electric for home. Also, it is easy to make and does not need many parts, and work very good. WARNING: But be very careful, homemade inverter can be dangerous always check […]
Audio Mixer Circuit using a Single Transistor
To begin with, this Audio Mixer Circuit using a Single Transistor is an small and easy circuit which mixes three sounds; it uses only one transistor which can mix two or three sounds into one. Also, it is good for beginners who want to learn about sound and electronics Circuit Working: Parts List: Components Values […]
Simple 220V AC Light Dimmer Circuit
This post teaches how to make Simple 220V AC Light Dimmer Circuit for home lights; also with this dimmer we can make light more or less bright by turning OFF current slowly. Note: Working with high voltage is not safe; good electrician should fix this in house and only do if big person is watching. […]
Simple Electronic Fishing Lure Circuit
This article for Simple Electronic Fishing Lure Circuit shows how to make electric fishing lure; which uses small buzzer to make sound when fish come. Also, this circuit is easy to make and works very well; but however, fishing rules vary from place to place, so before using an electric lure, check whether your country […]
Simple Lie Detector Circuit using Transistors
Have fun making this Simple Lie Detector Circuit using Transistors. Real lie detectors are very hard and complicated so this one is not perfect; but it is fun way to see how body react when its in stress. Also, this circuit works by detecting changes in sweat to check whether someone may be telling the […]