La configuración mostrada en la figura es bastante simple, pudiendo ser usada para accionar un LED de señalización en el panel de máquina o aún algunos dispositivos de alerta. El uso de LED de alto brillo puede ser analizado, debiendo ser agregado un transistor excitador para ese propósito. En esta configuración dos de las puertas del 4093 se utilizan en un oscilador donde la frecuencia depende de R1 y C1. Los valores de estos componentes deben obtenerse experimentalmente según la aplicación. Los otros dos puertos se utilizan como amplificadores digitales para el accionamiento de un LED. El valor del resistor conectado en serie con el LED depende de la tensión de alimentación, observándose la tabla dada junto al diagrama. La alimentación se puede realizar con tensiones de 5 a 12 V. Las pilas se pueden utilizar como fuente de alimentación para el caso de LEDs comunes, dado el bajo consumo del aparato.

 


 

 

 

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