Negative Voltage Generator Circuit using IC 555

As we know Operational Amplifiers, Sensors and some Signal Conditioning circuits requires Negative Voltage as bias…

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LED Flasher Circuit using BC547

We always want to build LED Flasher circuit for home decoration or for warning sign or…

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9V Dual Power Supplyfrom 3V

Wonder how you can draw 9 Volt Dual power supply from 3V that is from two…

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How Voltage Divider Circuit Works

Voltage Divider Circuits are very important in Analog Electronics as well as Sensor interfacing to the…

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Voltage Divider Circuit Calculator

A basic Voltage Divider Circuit made with two Resistors called R1 and R2 by connected in…

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Simple Metal Detector Circuit using IC 555

You may aware that metal detectors are used in Security screening, Archaeology, Mining, Treasure Hunting and…

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555 Timer Simple Touch Switch Circuit

Even after 50 years of invention the Timer IC 555 is still rocking and here is…

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Automatic Dark Detector Circuit

There are So many darkness detector circuit available in the internet but the following Automatic Dark…

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Main Power Supply Failure Indicator Circuit

A DIY Main Power Supply Failure Indicator Circuit designed by using few easily available components, Ensuring…

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LED Series Resistor Value Calculator

LED Series Resistor Value Calculator might help you to choose the suitable Resistor Value for you…

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