The following triac/diac based mains operated LED flasher circuit which is actually an astable multivibrator circuit utilizes only a diac and resistor arrangement for implementing interesting wig wag flashing of […]
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High Current Transformerless Power Supply Circuit
The simple configuration of a transformerless power supply circuit presented below is able to provide high current at any assigned fixed voltage level. The idea seems to have solved the […]
Battery Over Charge Protected Emergency Lamp Circuit
The following LED emergency light with battery over charge protection feature circuit was designed by me in response to the request sent by PP. Main Features In this article I […]
Simple Intercom Circuit [2 way]
The article presented below describes a very simple intercom system which can be built and installed at any required place very cheaply. The circuit utilizes just a single IC and […]
Battery Charger Problems Troubleshooting Discussed
The included battery charger circuit was designed and built by Mr.Vinod Chandran, however there’s some issues and problems with the circuit the troubleshooting of the same is addressed in this […]
Sec Exciter Powered HV Capacitor Charger Circuit
My friend Steven has updated a few more of his findings related to his sec exciter experiment, I have explained more what Mr. Steven has to say. NEW SEC EXCITER POWERED HV CAP […]
