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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36 Watt BTL Power Amplifier Circuit using IC TDA1562Q

This 36 watt power amplifier circuit is structured over a class of Philips H-Audio Amplifier IC and may provide 36W RMS or 70W audio power, all coming from approximately a 14V power supply. This innovative Powerful Midget Amplifier can definitely throw a punch of about 36 W constant RMS right into a 4 ohm loudspeaker […]

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