Sistema de Riego Automático con Arduino

flux

Puedo diseñar ese shield para Arduino Uno, pero en este momento no puedo ejecutar cambios en el proyecto.
Estado actual del proyecto:
  • Es una plantilla de Arduino Uno R3 Shield.
  • Ya tiene el pinout/headers base del Arduino Uno.
  • No he agregado todavía el sensor de humedad, DHT11/DHT22, LCD I2C, conectores, alimentación, ni etapa de control para bomba/válvula.
Lo que falta hacer:
  1. Definir arquitectura del sistema:
    • Arduino Uno como controlador.
    • Sensor de humedad de suelo a una entrada analógica, por ejemplo A0.
    • DHT11 o DHT22 a un pin digital, por ejemplo D2, con resistencia pull-up.
    • LCD I2C usando SDA/SCL del Uno: A4/SDA y A5/SCL.
    • Salida para bomba o electroválvula mediante MOSFET/relé, con diodo flyback si es carga inductiva.
  2. Elegir detalles importantes:
    • ¿Vas a controlar una bomba DC o una electroválvula?
    • ¿Qué voltaje/corriente usa la bomba o válvula? 5 V, 12 V, etc.
    • ¿Prefieres DHT11 o DHT22? Recomiendo DHT22 si quieres mejor precisión.
    • ¿La pantalla LCD I2C será de 5 V, típica 16x2 con backpack PCF8574?
  3. Añadir al shield:
    • Conector de 3 pines para sensor de humedad: VCC, GND, señal analógica.
    • Conector de 3 pines para DHT11/DHT22: VCC, GND, DATA.
    • Conector de 4 pines para LCD I2C: GND, VCC, SDA, SCL.
    • Etapa de potencia para bomba/válvula: MOSFET lógico, resistencia de gate, pull-down, diodo flyback y conector de carga.
    • Capacitores de desacoplo y protección básica.
  4. Validar:
    • Revisar datasheets de DHT, LCD I2C/backpack y MOSFET.
    • Ejecutar revisión eléctrica.
    • Luego pasar a layout del shield y ubicar conectores en bordes accesibles.
Cuando se pueda continuar, puedo implementar el esquema completo directamente sobre tu plantilla de Arduino Uno Shield.
Bomba 12 V MOSFET
Elegir DHT22 LCD
Agregar conectores
Etapa bomba 1 A
Buscar MOSFET lógico
Sign up to send
J2
RESET
VIN
+3V3
+5V
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Arduino Uno R3 Shield Template eF2k

Arduino Uno R3 Shield Template eF2k thumbnail
Template for Arduino Uno R3 Shield. Include an official pinout so you will always know Arduino names, the alternative roles of pins, which one is SDA, or SCL, etc. On PCB you can find the 3D model of the Arduino Uno R3 itself along with the board outline on the silkscreen. #Arduino #Uno #Shield #Template #project-template #project

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