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Testador de polaridade - polarity detector

@Israel77
7 years ago
https://everycircuit.com/circuit/6218743638917120
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. ============================================== 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.
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