The circuit as shown in Figure below presents a 555 as an extremely simple, voltage-controlled oscillator (VCO). The VCO’s output frequency (U1) differs contrariwise with the input voltage. Using a […]
Simple Electronic Bagpipe Music Generator Circuit
The electronic bagpipe circuit explained below will generate an exact replication of music that we generally hear from an original mouth operated bagpipe instrument. Circuit Description In the figure below, […]
Simple Xenon Tube Stroboscope Circuit
The post discusses a simple high intensity mains 220V powered xenon tube stroboscope circuit using minimum number of parts. A xenon tube stroboscope is a high intensity light effect generator […]
Simple SCR Circuits
In this post we will learn how to build a few SCR applications circuits such as battery charger, code oscillator, rain alarm, automatic night lamp etc. An SCR or a […]
Simple Crystal Tester Circuit
The proposed simple crystal tester circuit can be used for accurately testing the operating frequency of any standard crystal, quickly. The figure below shows a crystal checker circuit schematic. In […]
Simple Knock Detector Circuit
The final circuit we will see deploys the ceramic sensor that is readily available. If you have experienced the difficult to detect the source of a low noise knock or […]