Circuito 555 Astable

flux

0:29

Para configurar el 555 en modo monostable, sigue estos pasos básicos:
  1. Alimentación y tierra:
    • Conecta el pin 1 (GND) del NE555S-13 a tierra (usa el componente Ground).
    • Conecta el pin 8 (VCC) a la fuente de alimentación.
    • Conecta el pin 4 (Reset) a VCC para deshabilitar la función de reinicio.
  2. Configuración de disparo (trigger):
    • En modo monostable, el disparo se realiza aplicando un pulso negativo al pin 2 (Trigger).
    • Este pin debe estar conectado a través de un botón o circuito generador de pulso que baje momentáneamente el voltaje para iniciar la salida.
  3. Temporización (pulse width):
    • Conecta un resistor (R) entre VCC y pin 7 (Discharge).
    • Conecta un capacitor (C) entre el pin 6 (Threshold) y tierra.
    • Une el pin 2 (Trigger) con el pin 6 (Threshold) para que el capacitor se cargue con la constante de tiempo determinada por R y C.
    • El ancho del pulso generado se calcula como:
      T≈1.1×R×CT \approx 1.1 \times R \times C
  4. Salida:
    • La salida se obtiene en el pin 3 (Output). Tras el disparo, se genera un pulso de duración T, durante el cual la salida se mantiene alta.
  5. Control de voltaje (opcional):
    • Puedes conectar un pequeño capacitor (por ejemplo, 0.01 µF) entre el pin 5 (Control Voltage) y tierra para minimizar ruidos.
¿Deseas que agregue estos componentes y sus conexiones en tu proyecto de Flux?
Agregar el circuito
Definir valores R y C
Revisar conexión trigger-reset
Agregar decoupling
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U2
SW4
R3
Resistance
1000 Ω
LED1
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