# ================================================== # AEROTECH IOT WEATHER STATION # FINAL DEPLOYMENT VERSION (Verified) # ================================================== from machine import Pin, I2C, ADC import time import network import urequests import bme280 import math import machine # ================================================== # 1. WI-FI CONFIGURATION (EDIT BEFORE DEPLOYING!) # ================================================== # UNIVERSITY (Use this for Deployment) --- # Remove the '#' from the next two lines when at University: WIFI_SSID = "YOUR WIFI ID" WIFI_PASS = "YOUR WIFI PASSWORD" # --- OPTION B: HOME/TEST --- # Add a '#' to the start of these lines before going to University: # WIFI_SSID = "Minyoongipreciousbaby" # WIFI_PASS = "minsuga03" # ================================================== # 2. SYSTEM SETTINGS # ================================================== WRITE_API_KEY = "YOUR API KEY" THINGSPEAK_URL = "YOUR THINGSPEAK URL" # 20 Minutes * 60 Seconds = 1200 Seconds SEND_INTERVAL = 1200 BASELINE_CLEAN = 10000 # ================================================== # 3. SENSOR & WIND SETUP # ================================================== # Wind Calibration CLICKS_PER_REV = 2 WIND_FACTOR = 5 RADIUS_METERS = 0.068 CIRCUMFERENCE = 2 * math.pi * RADIUS_METERS # BME280 Setup i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000) bme = None while bme is None: try: bme = bme280.BME280(i2c=i2c, address=0x76) print("✅ BME280 Connected!") except Exception as e: print("⚠️ BME280 not found. Retrying...") time.sleep(2) # Other Sensors mq135 = ADC(26) hall_sensor = Pin(14, Pin.IN, Pin.PULL_UP) wind_clicks = 0 # Wind Counter (Interrupt) def count_wind(pin): global wind_clicks wind_clicks += 1 hall_sensor.irq(trigger=Pin.IRQ_FALLING, handler=count_wind) # ================================================== # 4. WI-FI UPLOAD FUNCTION (RETURNS STATUS) # ================================================== def send_to_cloud(t, h, p, g, w): """Connects, Uploads, and Disconnects. Returns TRUE if successful.""" upload_success = False # Assume failure initially wlan = network.WLAN(network.STA_IF) wlan.active(True) wlan.config(pm=0xa11140) print(f"Connecting to {WIFI_SSID}...") wlan.connect(WIFI_SSID, WIFI_PASS) # Increased timeout to 30s for University Networks max_wait = 30 while max_wait > 0: if wlan.isconnected(): break max_wait -= 1 time.sleep(1) if wlan.isconnected(): print("Connected! Uploading...") try: url = ( f"{THINGSPEAK_URL}?api_key={WRITE_API_KEY}" f"&field1={t:.2f}&field2={h:.2f}&field3={p:.2f}" f"&field4={g:.0f}&field5={w:.2f}" ) response = urequests.get(url) print("Status:", response.text) response.close() # If we get here, no error happened upload_success = True except Exception as e: print("Upload Error:", e) else: print("❌ WiFi Connection Failed.") print("Going dark (WiFi OFF)...") wlan.active(False) return upload_success # Returns True or False # ================================================== # 5. MAIN LOOP (RETRY LOGIC + FULL LOGS) # ================================================== print("AeroTech Deployment System ACTIVE") print(f"Interval: {SEND_INTERVAL/60} minutes.") # Ensure WiFi is off initially wlan_init = network.WLAN(network.STA_IF) wlan_init.active(False) # Variables sum_temp = 0 sum_hum = 0 sum_pres = 0 sum_gas = 0 reading_count = 0 # [IMMEDIATE START TRICK] # Forces immediate upload on first run last_sent_time = time.time() - SEND_INTERVAL while True: try: current_time = time.time() # A. Read Sensors t, p_raw, h = bme.read_compensated_data() p_kpa = p_raw * 25.6 gas_raw = mq135.read_u16() sum_temp += t sum_hum += h sum_pres += p_kpa sum_gas += gas_raw reading_count += 1 # B. Check Time (20 Minutes) if (current_time - last_sent_time) >= SEND_INTERVAL: # 1. Prepare Data current_clicks = wind_clicks # Note: We do NOT reset wind_clicks yet! if reading_count == 0: reading_count = 1 avg_temp = sum_temp / reading_count avg_hum = sum_hum / reading_count avg_pres = sum_pres / reading_count avg_gas = sum_gas / reading_count # Wind Calculation revolutions = current_clicks / CLICKS_PER_REV elapsed = current_time - last_sent_time if elapsed == 0: elapsed = 1 rps = revolutions / elapsed wind_speed_mps = rps * CIRCUMFERENCE * WIND_FACTOR # 2. Local Report (FULL LOGS RESTORED) diff = avg_gas - BASELINE_CLEAN if diff < 3000: air_status = "GOOD" elif diff < 10000: air_status = "MODERATE" else: air_status = "POOR" suggestion = "Conditions are normal." if wind_speed_mps > 5.0: suggestion = "⚠️ WARNING: Strong wind detected!" elif air_status == "POOR": suggestion = "⚠️ CRITICAL: Poor Air Quality!" elif wind_speed_mps > 1.5 and avg_temp < 32: suggestion = "✅ PERFECT: Great weather outside!" elif avg_temp > 35: suggestion = "⚠️ HOT: Stay hydrated." print("\n" + "="*30) print(f"🌡️ Temp: {avg_temp:.2f} C") print(f"💧 Hum: {avg_hum:.1f} %") print(f"💨 Wind: {wind_speed_mps:.2f} m/s") print(f"🍃 Air: {air_status}") print(f"💡 Note: {suggestion}") print("="*30 + "\n") # 3. Upload to Cloud (CHECK SUCCESS) is_uploaded = send_to_cloud(avg_temp, avg_hum, avg_pres, avg_gas, wind_speed_mps) if is_uploaded: # ✅ SUCCESS: Reset everything and wait 20 mins print("✅ Upload Complete. Resetting timer.") sum_temp = 0 sum_hum = 0 sum_pres = 0 sum_gas = 0 reading_count = 0 wind_clicks = 0 # Only reset wind if data was sent! # Reset Timer to NOW last_sent_time = time.time() else: # ❌ FAILED: Do NOT reset timer. print("⚠️ Upload Failed. Retrying in 60 seconds...") time.sleep(60) # Loop repeats immediately, triggering upload again # C. Deep Sleep (5 Seconds standard loop) time.sleep(5) except Exception as e: print("Fatal Error:", e) time.sleep(5)