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como armar un contador que de numeros aleatorios del 0 al 9 por medio de un disp...
axelmedina

axelmedina

@copilot como armar un contador que de numeros aleatorios del 0 al 9 por medio de un display de 7 segmentos, un 74ls48 y 74lss112?
2y

copilot

Para construir un contador de números aleatorios del 0 al 9 utilizando un display de 7 segmentos, un 74LS48 (decodificador BCD a 7 segmentos) y un 74LS112 (Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops), necesitarías la ayuda de alguna forma de ruido o fuente de aleatoriedad para alimentar el contador. Aquí se describe el esquema suponiendo que tienes alguna fuente de pulsos irregular para hacerlo con carácter aleatorio.
Supongamos que tienes los siguientes componentes:
  • Un Display de siete segmentos (designado como DISP)
  • Un decodificador BCD a siete segmentos 74LS48 (designado como U1)
  • Un flip-flop dual J-K 74LS112 (designado como U2)
Aquí están los pasos para conectarse:
  • Conecta las salidas (a, b, c, d) del 74LS48 U1 directamente a las entradas de tu Display de 7 segmentos correspondientes. De este modo, los números decodificados se mostrarán en el display.
  • Conecta el flip-flop dual J-K 74LS112 U2 en una configuración de contador binario. For example, if your flip-flop designator is U2, connect $ U2-2/J_ {A} $, $ U2-1/K_A $, $ U2-11/J_{B} $, and $ U2-10/K_B $ pins together.
  • Luego conecta las cuatro salidas de los flip-flops (U2-5/Q_A, U2-6/\Q_A, U2-9/Q_B, U2-8/\Q_B) a las entradas correspondientes en el 74LS48 (U1-7/A, U1-1/B, U1-2/C, U1-6/D).
  • Conecta la fuente de pulsos o señales aleatorias a la entrada de reloj CLK del flip-flop 74LS112 (U2-3/CLK_A and U2-11/CLK_B).
Recuerda, este es sólo un esquema de cómo puedes conectar estos componentes para crear un contador. Necesitarás hacer suposiciones y adaptarlo según tus necesidades.
Además, debes alimentar las IC con 5V (los pines Vcc) y conectar los pines GND a tierra.
Nota: La naturaleza aleatoria de los números generados dependerá en gran medida de la naturaleza de la fuente de pulsos que estás utilizando.
2y
1
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