Cooling Fan speed control circuit

As a Electronic engineer we know the importance of proper heat dissipation from the electronic device…

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Low Voltage Relay driver

       This low voltage relay driver circuit constructed by using IC MAX 4624. This…

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Remote alarm for smoke detector

        This remote alarm for smoke detector circuit is an application note from…

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USB based zener diode regulator circuit

Regulated power supplies are essential for every electronic circuits, prototypes and element testing, imagine you are…

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USB to 12 Volt DC Boost Converter Circuit

USB ports available in computer, laptop provides 5V DC supply through VCC and GND pin. If…

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Solar power mobile charger circuit

This circuit helps you to charge your mobile phone battery and also some rechargeable battery with…

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Current Control Circuit for LED

This Current Control Circuit for LED constructed to derive 1W power LED array, the IC MAX16832…

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Simple water level indicator

                   When you have difficult to know the…

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Simple metal detector circuit

Very simple metal detector circuit is given here, it uses Inductive proximity sensor. It has the…

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Simple Rain detector alarm circuit

Single transistor Rain detector alarm or water drop detector alarm, We can use this circuit any…

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