|
| 1 | +# 📡 Sensor de Lluvia - MQTT |
| 2 | +**Autor:** Brandon Orozco Hernández |
| 3 | + |
| 4 | +Este código en Python permite recibir datos del **sensor de lluvia** a través de **Wokwi** y reenviarlos a **Flespi** mediante MQTT. |
| 5 | + |
| 6 | +## 🔧 Configuración |
| 7 | +- **Broker Wokwi:** `test.mosquitto.org` |
| 8 | +- **Broker Flespi:** `mqtt.flespi.io` |
| 9 | +- **Tópico MQTT:** `ebike/lluvia` |
| 10 | + |
| 11 | + |
| 12 | + |
| 13 | + |
| 14 | +## 📜 Código en Python |
| 15 | +```python |
| 16 | +import time |
| 17 | +import network |
| 18 | +from umqtt.simple import MQTTClient |
| 19 | +from machine import Pin, ADC |
| 20 | + |
| 21 | +# Configurar WiFi en Wokwi |
| 22 | +SSID = "Wokwi-GUEST" |
| 23 | +PASSWORD = "" |
| 24 | + |
| 25 | +wifi = network.WLAN(network.STA_IF) |
| 26 | +wifi.active(True) |
| 27 | +wifi.connect(SSID, PASSWORD) |
| 28 | + |
| 29 | +while not wifi.isconnected(): |
| 30 | + print("Conectando a WiFi...") |
| 31 | + time.sleep(1) |
| 32 | + |
| 33 | +print("✅ WiFi Conectado. IP:", wifi.ifconfig()[0]) |
| 34 | + |
| 35 | +# Configurar MQTT |
| 36 | +BROKER = "test.mosquitto.org" |
| 37 | +TOPIC_LLUVIA = "ebike/lluvia" |
| 38 | +client = MQTTClient("esp32", BROKER) |
| 39 | +client.connect() |
| 40 | + |
| 41 | +# Configurar sensor de lluvia (YL-83) |
| 42 | +sensor_lluvia = ADC(Pin(34)) # Pin analógico 34 |
| 43 | +divisor = 4095 # ADC de 12 bits |
| 44 | + |
| 45 | +# Bucle infinito para enviar datos cada 3 segundos |
| 46 | +while True: |
| 47 | + # Leer sensor de lluvia |
| 48 | + valor_agua = sensor_lluvia.read() |
| 49 | + porcentaje = 100 - (valor_agua / divisor * 100) |
| 50 | + mensaje_lluvia = f"{porcentaje:.2f}% humedad" |
| 51 | + |
| 52 | + # Publicar datos |
| 53 | + client.publish(TOPIC_LLUVIA, mensaje_lluvia) |
| 54 | + |
| 55 | + print("📤 Lluvia Enviada:", mensaje_lluvia) |
| 56 | + |
| 57 | + time.sleep(3) |
| 58 | + |
| 59 | +## 📜 Código en Wokwi |
| 60 | + |
| 61 | +import paho.mqtt.client as mqtt |
| 62 | +import time |
| 63 | + |
| 64 | +# Configuración de Wokwi |
| 65 | +WOKWI_BROKER = "test.mosquitto.org" |
| 66 | +WOKWI_PORT = 1883 |
| 67 | +WOKWI_TOPIC = "ebike/lluvia" |
| 68 | + |
| 69 | +# Configuración de Flespi |
| 70 | +FLESPI_BROKER = "mqtt.flespi.io" |
| 71 | +FLESPI_PORT = 1883 |
| 72 | +FLESPI_TOPIC = "ebike/lluvia" # Puedes cambiarlo según tus necesidades |
| 73 | +FLESPI_TOKEN = "W5Wy01hB7cD5DeenObhpdWnlExEBWtLSKzMy41hujkVvxMDbLfBTBvU5JjAH5Zv0" # Reemplaza con tu token de Flespi |
| 74 | + |
| 75 | +# Solución para la advertencia de deprecación |
| 76 | +def on_connect(client, userdata, flags, rc, properties=None): |
| 77 | + if rc == 0: |
| 78 | + print("✅ Conectado correctamente") |
| 79 | + else: |
| 80 | + print(f"❌ Error de conexión: {rc}") |
| 81 | + |
| 82 | +def on_message_wokwi(client, userdata, msg): |
| 83 | + try: |
| 84 | + payload = msg.payload.decode() |
| 85 | + print(f"📥 Recibido de Wokwi: {payload}") |
| 86 | + |
| 87 | + # Verificar si es un mensaje NMEA |
| 88 | + if payload.startswith('$GPGGA'): |
| 89 | + # Procesamiento básico de NMEA |
| 90 | + parts = payload.split(',') |
| 91 | + nmea_data = { |
| 92 | + 'type': 'GPGGA', |
| 93 | + 'time': parts[1], |
| 94 | + 'latitude': f"{parts[2]} {parts[3]}", |
| 95 | + 'longitude': f"{parts[4]} {parts[5]}", |
| 96 | + 'fix_quality': parts[6], |
| 97 | + 'satellites': parts[7], |
| 98 | + 'hdop': parts[8], |
| 99 | + 'altitude': f"{parts[9]} {parts[10]}", |
| 100 | + 'raw': payload |
| 101 | + } |
| 102 | + |
| 103 | + # Convertir a JSON para enviar a Flespi |
| 104 | + json_payload = str(nmea_data).replace("'", '"') |
| 105 | + |
| 106 | + # Enviar a Flespi |
| 107 | + flespi_client.publish(FLESPI_TOPIC, json_payload) |
| 108 | + print(f"📤 Enviado a Flespi: {json_payload}") |
| 109 | + else: |
| 110 | + # Si no es NMEA, enviar tal cual |
| 111 | + flespi_client.publish(FLESPI_TOPIC, payload) |
| 112 | + print(f"📤 Enviado a Flespi (raw): {payload}") |
| 113 | + |
| 114 | + except Exception as e: |
| 115 | + print(f"⚠️ Error al procesar mensaje: {e}") |
| 116 | + |
| 117 | +# Configurar cliente Wokwi (versión actualizada para evitar warning) |
| 118 | +wokwi_client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2) |
| 119 | +wokwi_client.on_message = on_message_wokwi |
| 120 | +wokwi_client.on_connect = on_connect |
| 121 | + |
| 122 | +# Configurar cliente Flespi |
| 123 | +flespi_client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2) |
| 124 | +flespi_client.username_pw_set(FLESPI_TOKEN) |
| 125 | +flespi_client.on_connect = on_connect |
| 126 | + |
| 127 | +try: |
| 128 | + # Conectar a Flespi |
| 129 | + flespi_client.connect(FLESPI_BROKER, FLESPI_PORT) |
| 130 | + flespi_client.loop_start() |
| 131 | + |
| 132 | + # Conectar a Wokwi |
| 133 | + wokwi_client.connect(WOKWI_BROKER, WOKWI_PORT) |
| 134 | + wokwi_client.subscribe(WOKWI_TOPIC) |
| 135 | + print("📡 Esperando datos de Wokwi...") |
| 136 | + |
| 137 | + # Mantener el script corriendo |
| 138 | + wokwi_client.loop_forever() |
| 139 | + |
| 140 | +except KeyboardInterrupt: |
| 141 | + print("\n🔌 Desconectando...") |
| 142 | + wokwi_client.disconnect() |
| 143 | + flespi_client.disconnect() |
| 144 | +except Exception as e: |
| 145 | + print(f"❌ Error crítico: {e}") |
| 146 | + |
0 commit comments