Added smart weather device examples

examples/smart_weather_device/smart_weather_device.py

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+# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
+# SPDX-FileCopyrightText: Copyright (c) 2026 ThingsBoard Inc.
+#
+# SPDX-License-Identifier: Unlicense
+
+import time
+
+import adafruit_sht31d
+import adafruit_ssd1306
+import board
+import busio
+import requests
+
+from tb_device_mqtt import TBDeviceMqttClient
+
+THINGSBOARD_HOST = "YOUR_THINGSBOARD_HOST"
+THINGSBOARD_TOKEN = "YOUR_THINGSBOARD_DEVICE_TOKEN"
+THINGSBOARD_PORT = 1883
+
+OPENWEATHER_API_KEY = "YOUR_WEATHER_API_KEY"
+DEFAULT_CITY = "Kyiv,UA"
+
+WEATHER_UPDATE_PERIOD = 600
+DISPLAY_REFRESH_PERIOD = 2
+TELEMETRY_SEND_PERIOD = 10
+
+selected_city = DEFAULT_CITY
+
+i2c = busio.I2C(board.SCL, board.SDA)
+display = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
+sensor = adafruit_sht31d.SHT31D(i2c)
+
+
+def draw_screen(indoor_temp, indoor_humidity, outdoor_temp, outdoor_humidity):
+    display.fill(0)
+
+    display.text(f"InT:{indoor_temp:5.1f}C", 0, 0, 1)
+    display.text(f"InH:{indoor_humidity:5.1f}%", 64, 0, 1)
+
+    if outdoor_temp is not None:
+        display.text(f"OutT:{outdoor_temp:4.1f}C", 0, 16, 1)
+    else:
+        display.text("OutT: N/A", 0, 16, 1)
+
+    if outdoor_humidity is not None:
+        display.text(f"OutH:{outdoor_humidity:4.1f}%", 64, 16, 1)
+    else:
+        display.text("OutH: N/A", 64, 16, 1)
+
+    display.show()
+
+
+def get_current_weather(city_name):
+    url = "https://api.openweathermap.org/data/2.5/weather"
+    params = {"q": city_name, "appid": OPENWEATHER_API_KEY, "units": "metric"}
+
+    try:
+        response = requests.get(url, params=params, timeout=10)
+        response.raise_for_status()
+        data = response.json()
+
+        return {
+            "temp": float(data["main"]["temp"]),
+            "humidity": float(data["main"]["humidity"]),
+        }
+    except Exception as e:
+        print("Weather request failed:", e)
+        return None
+
+
+def main():
+    weather_data = {"temp": None, "humidity": None}
+
+    last_weather_update = 0.0
+    last_display_refresh = 0.0
+    last_telemetry_send = 0.0
+
+    client = TBDeviceMqttClient(
+        THINGSBOARD_HOST, port=THINGSBOARD_PORT, access_token=THINGSBOARD_TOKEN
+    )
+    client.connect()
+
+    initial_weather = get_current_weather(selected_city)
+    if initial_weather is not None:
+        weather_data["temp"] = initial_weather["temp"]
+        weather_data["humidity"] = initial_weather["humidity"]
+
+    while True:
+        now = time.monotonic()
+
+        indoor_temp = sensor.temperature
+        indoor_humidity = sensor.relative_humidity
+
+        if now - last_weather_update >= WEATHER_UPDATE_PERIOD:
+            last_weather_update = now
+            updated_weather = get_current_weather(selected_city)
+            if updated_weather is not None:
+                weather_data["temp"] = updated_weather["temp"]
+                weather_data["humidity"] = updated_weather["humidity"]
+
+        if now - last_display_refresh >= DISPLAY_REFRESH_PERIOD:
+            last_display_refresh = now
+            draw_screen(
+                indoor_temp, indoor_humidity, weather_data["temp"], weather_data["humidity"]
+            )
+
+        if now - last_telemetry_send >= TELEMETRY_SEND_PERIOD:
+            last_telemetry_send = now
+
+            telemetry = {
+                "indoorTemp": round(indoor_temp, 1),
+                "indoorHumidity": round(indoor_humidity, 1),
+                "outdoorTemp": weather_data["temp"],
+                "outdoorHumidity": weather_data["humidity"],
+                "city": selected_city,
+            }
+
+            try:
+                client.send_telemetry(telemetry)
+                print("Telemetry sent:", telemetry)
+            except Exception as e:
+                print("Telemetry send failed:", e)
+
+        time.sleep(0.1)
+
+
+if __name__ == "__main__":
+    main()