Plant Physiology Analyzer Circuit

In this post we learn about a circuit design which can be used for testing, or analyzing plant physiological behaviors and reactions to various external stimulation.   That trees and plants have a soul has been known to plant lovers and gardeners for a long time. For all those who have never given this a […]

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6V, 12V, 24V Automatic Battery Charger for Automobile

In this post we discuss an universal 6V, 12V, 24V automatic battery charger circuit specifically designed to charge automobile batteries under harsh environments, and which can be used by auto mechanics without much maintenance.   The design incorporates a thyrister (SCR) for executing the automatic cut offs.   As displayed in the full circuit diagram […]

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Programmable electronic Door Bell Circuit

This programmable electronic musical door bell circuit is really simple since the integrated circuit really does all the things! It should be stated that we now have created some substantial modifications to the application plan. As shown in the below diagram the power supply is extracted from the 230 V mains: the TF1 secondary (2 […]

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Metal Detector Circuit using Single Transistor – Tutorial

The post explains a simple one transistor metal detector circuit which is very sensitive and and can detect any metal from a significant distance. We are going to begin the topic assuming situations have settled following a few cycles and the voltage within the base of the transistor is steady (fixed by the “retaining” or […]

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