Schematic Symbol for PIC16F877A-I/PT: PIC PIC® 16F Microcontroller...

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recommend a replacement for RB0/INT.

angelvc801

@copilot recommend a replacement for RB0/INT.

copilot

It looks like RB0/INT is a pin on the PIC16F877A-I/PT. Since it's an I/O pin with interrupt functionality, we should select another I/O pin on the same microcontroller that can be used for a similar purpose.

Possible replacements for RB0/INT (Pin 8) on the PIC16F877A-I/PT:

RB1 (Pin 9)
RB2 (Pin 10)
RB3 (Pin 11)
Any other unused I/O pin with interrupt capability.

Let's choose RB1 (Pin 9) as the replacement. You can connect it similarly as you would RB0/INT.

Would you like further assistance in connecting or configuring this pin?

angelvc801

quiero hacer una tarjeta de control de iluminación con un control de sensores de infrarrojo y un display touch que controle por forma manual y los sensores infrarrojo son dos uno controlora 3 modulos de 18 leds luz calida y otro de 3 modulos de 18 leds de luz fria .

copilot

¡Genial! Para tu proyecto de control de iluminación con sensores infrarrojos y un display táctil, te propongo un esquema básico y una lista de componentes a considerar. Aquí te dejo una guía paso a paso para conectar estos componentes utilizando tu PIC16F877A-I/PT:

Lista de Componentes

Microcontrolador:
- PIC16F877A-I/PT
Sensores Infrarrojos:
- Sensor 1 para luz cálida
- Sensor 2 para luz fría
LEDs:
- 3 módulos de 18 LEDs de luz cálida
- 3 módulos de 18 LEDs de luz fría
Display Táctil:
- Pantalla táctil compatible con el microcontrolador (ej. TFT LCD)
Drivers para LEDs (si es necesario):
- Transistores MOSFET o drivers específicos para LEDs
Fuentes de alimentación:
- Una fuente de alimentación adecuada para los LEDs y el microcontrolador

Conexiones Básicas Conexiones del Microcontrolador

Alimentación:
- Conecta VDD (Pin 28) y VDD_2 (Pin 7) a la fuente de alimentación de 5V.
- Conecta VSS (Pin 29) y VSS_2 (Pin 6) a la tierra (GND).
Reset:
- Conecta un botón de reset al pin ~MCLR/VPP (Pin 18).
- Añade una resistencia pull-up de 10k ohm entre ~MCLR/VPP y VDD.
Oscilador:
- Conecta una señal de reloj externo o un cristal oscilador de 20MHz entre OSC1/CLKI (Pin 30) y OSC2/CLKO (Pin 31).
- Añade capacitores de desacoplamiento de 22pF desde cada pin del cristal a tierra.

Conexiones de los Sensores Infrarrojos

Sensor Infra-rojo 1:
- Conecta la salida del sensor (señal) a la entrada RB0/INT (Pin 8) o la alternativa RB1 (Pin 9).
- Conecta VCC del sensor a la fuente de 5V.
- Conecta GND del sensor a tierra (GND).
Sensor Infra-rojo 2:
- Conecta la salida del sensor (señal) a otro pin GPIO disponible, por ejemplo, RB2 (Pin 10).
- Conecta VCC del sensor a la fuente de 5V.
- Conecta GND del sensor a tierra (GND).

Conexiones de Control de LEDs

Para los LED de luz cálida:
- Conecta los módulos de LEDs a través de transistores MOSFET controlados por pines GPIO, por ejemplo:
  - Conecta la puerta (gate) del MOSFET a RC0 (Pin 32).
  - Conecta el drenaje (drain) del MOSFET a los LEDs y la fuente (source) a GND.
  - Conecta los LEDs a una fuente de alimentación adecuada para su voltaje y corriente.
Para los LED de luz fría:
- Similarmente, conecta los módulos de LEDs mediante transistores MOSFET controlados por otros pines GPIO, por ejemplo:
  - Conecta la puerta (gate) del MOSFET a RC1 (Pin 35).
  - Conecta el drenaje (drain) del MOSFET a los LEDs de luz fría y la fuente (source) a GND.
  - Conecta los LEDs a una fuente de alimentación adecuada para su voltaje y corriente.

Conexiones del Display Táctil

Conecta los pines de datos del display táctil a los pines GPIO del microcontrolador según el protocolo utilizado (SPI/I2C/Parallel).
- Ejemplo:
  - SCK del display a RC3/SCK/SCL (Pin 37).
  - SDI del display a RC4/SDI/SDA (Pin 42).
  - SDO del display a RC5/SDO (Pin 43).
  - Otros pines como CS, RS, y RD según el display específico.

Código y Configuración

Finalmente, necesitarás programar el PIC16F877A-I/PT para:

Leer las señales de los sensores infrarrojos.
Controlar la activación/desactivación de los LEDs según la lógica deseada.
Actualizar la interfaz del display táctil para permitir el control manual.

Puedes utilizar MPLAB X y XC8 para programar el microcontrolador en C.

¿Te gustaría detalles adicionales sobre algún aspecto específico del circuito o la programación?

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