Este circuito fue encontrado en una revista inglesa de 1999. Se trata de un dispositivo que recibe la señal de un control remoto y lo retransmite al aparato controlado que puede estar fuera de la línea visual del transmisor. El circuito integrado utilizado no es muy fácil de obtener, así que si se planea su montaje, compruebe antes la disponibilidad del componente. Este circuito integrado consiste en un preamplificador con varias etapas y una gran ganancia. Los LED emisores son del tipo infrarrojo, admitiendo equivalentes. El circuito puede ser alimentado por 4 pilas pequeñas comunes. Las funciones ópticas se pueden utilizar para obtener mayor sensibilidad del receptor como una lente convergente en su parte frontal. Para los LED emisores, también se puede utilizar el mismo recurso, dirigiendo así la señal al aparato que va a ser controlado. No se puede usar control de alta velocidad.

 


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