Voltmeter ammeter and wattmeter with pic View larger

Voltmeter ammeter and wattmeter with pic

The project that we present here is a meter of volts, amps and watts, to which we have also incorporated a temperature sensor to activate a fan, or other mechanism that we want, through a relay.

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Data sheet


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When the temperature of our voltage regulator, or the box where the power supply is housed, exceeds the value we have set, it will activate said relay.
The assembly is under development, but will soon be on this page. For now we show you a photo of our prototype that is already in the laboratory.

Voltímetro amperímetro vatímetro

The circuit is basically a programmed microcontroller and few other components.

If you don´t know how to make a printed circuit boards click here.