Field Strength Meter Circuit

Simple Field Strength Meter Circuit is designed by using single transistor and few easily available components.…

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LTC3442 Buck Boost Converter Circuit

LTC3442 is Micropower Synchronous Buck-Boost DC/DC Converter Integrated Circuit with Automatic Burst Mode Operation and it…

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Automatic Temperature Controlled Switch

In some case we need temperature dependent output or temperature controlled output, the following circuit makes…

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Laser Security Alarm Circuit

We need safety and security for our valuable things, to protect our property simple and robust…

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Emergency Light Circuit

Simple power efficient and easy to construct LED Emergency light circuit designed with few easily available…

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Automotive LED Driver Circuit

Energy efficient LED driver circuit should be used in Automotive applications for the betterment of battery,…

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Automatic Smoke Exhaust Fan Circuit

Smoke Exhaust fans are need to run when presence of smoke, but most exhaust fan runs…

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Automatic LED emergency light circuit

Emergency lights are very crucial in some situations, the traditional emergency light uses fluorescent tube as…

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Low voltage DC motor speed control circuit

This low voltage DC motor speed control circuit is designed by using TDA 7274 IC, This…

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Crystal tester circuit

    This simple circuit can be used to check the crystal element whether it is…

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