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Quando um objeto é inserido próximo ao sensor IR o mesmo envia um sinal digital ao pino 5 da placa arduino indicando que existe algo próximo e uma impressão com o dizer "PERTO" é executada no display ...
As you can see the circuit is very simple and only consists of two IR sensors, an Arduino Uno, LCD display and a breadboard. Also note that, to power this circuit you will need an external 12V power ...
I’ve been using 4D’s 2.4″ touch sceen uOLED, with the picasso sgc chip, for over a year now. It’s a great, easy to implement, powerfull display, as most od 4D’s displays are.
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