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puedes conectar este circuito ? es un ldr controlando un rele de 5 voltios
mike56

mike56

@copilot puedes conectar este circuito ? es un ldr controlando un rele de 5 voltios
2y

copilot

Para conectar un circuito en el que un LDR controla un relé de 5 voltios, necesitaremos incorporar varios de los componentes listados en tu proyecto, aunque no se especifica un LDR (Resistor Dependiente de Luz) dentro de los componentes, asumiré que tienes uno y te guiaré a través de los pasos para conectarlo apropiadamente. También se asume que el transistor Q1 es de tipo NPN, ya que es el más común para este tipo de aplicaciones.
Aquí hay una lista simplificada de pasos y conexiones que deberías realizar:
Componentes adicionales necesarios:
  • LDR: Necesitarás un LDR para esta aplicación.
  • Resistor: Sugiero un resistor de aproximadamente 10kΩ (R1 puede ser usado para este propósito).
Conexiones:
  1. Fuente de alimentación de 5V (V1):
    • Colocarás V1 para alimentar el circuito.
  2. Divisor de voltaje con el LDR y R1:
    • Conectar V1:ANODE a un extremo del LDR.
    • Conectar el otro extremo del LDR a R1:1 y a Q1:B (Base del transistor).
    • Conectar R1:2 a V1:CATHODE.
  3. Transistor Q1 (actuando como un switch):
    • Conectar Q1:E (Emisor) a V1:CATHODE.
  4. Relé K1:
    • Asumiendo que el relé debe ser activado con aproximadamente 5V a través de la bobina:
    • Conectar Q1:C (Colector) a K1:COM (Pin 5, Común del relé).
    • Conectar K1:3 (un extremo de la bobina del relé) a V1:ANODE.
  5. Diode D1 (para protección):
    • Este diodo se coloca en paralelo con la bobina del relé para proteger el transistor Q1 de picos de voltaje generados cuando la bobina se desactiva.
    • Conectar D1:cathode a K1:3 y D1:anode a K1:COM (o directamente a Q1:C si es más práctico, dependiendo del layout físico).
Asumiendo un comportamiento típico de un LDR, donde su resistencia disminuye con más luz, este circuito debería funcionar de manera que el relé se active (cerrando sus contactos N.O., por ejemplo, K1:NO a K1:COM para un dispositivo externo controlado por el relé) cuando hay poca luz y el LDR aumenta su resistencia, resultando en un voltaje base suficiente en Q1 para activarlo. Cuando hay mucha luz, el LDR reduce su resistencia, reduciendo el voltaje en la base de Q1 y apagándolo, lo que desactiva el relé.
Nota:
Este circuito es un ejemplo básico y puede necesitar ajustes basados en las especificaciones exactas y comportamiento deseado. Por ejemplo, puedes necesitar ajustar el valor de R1 según el tipo específico de LDR y las condiciones de iluminación bajo las cuales deseas que actúe el rele.
2y
2
K1
Q1
R2
Resistance
220 Ω
R1
Resistance
10kΩ
D1
V1
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Advanced Aqua Speeder Bike

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