modified 7 years ago

Testador de polaridade - polarity detector

00:40:35

The LEDs indicates the polarity of what's connected to the probe:

Red LED - Positive voltage (+12V)
Green LED - Ground voltage (GND)

If nothing is connected both LEDs will glow but dimmer.
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Os LEDs indicam a polaridade à qual o circuito está conectado:

LED vermelho - Positivo (+12V)
LED verde - Negativo (GND)

Se nada está conectado ambos os LEDs acendem, porém mais fracos.

published 7 years ago

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