from machine import Pin, UART, ADC, PWM
import dht, time
import network
import BlynkLib


##define BLYNK_TEMPLATE_ID "TMPL2SlNfkQpw"
#define BLYNK_TEMPLATE_NAME "1st Semstre Project"



BLYNK_TEMPLATE_ID = "MPL2SlNfkQpw"
BLYNK_TEMPLATE_NAME = "1st Semstre Project"
BLYNK_AUTH_TOKEN = "F6NuhUn1i7p5_YbHPi1Zp4rOYWFENpGb"


wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect("Wokwi-GUEST", "")

print("Connecting WiFi...")
while not wifi.isconnected():
    time.sleep(0.1)

print("WiFi Connected!")

blynk = BlynkLib.Blynk(
    BLYNK_AUTH_TOKEN,
    tmpl_id=BLYNK_TEMPLATE_ID,
    insecure=True
)

@blynk.on("connected")
def blynk_connected():
    print("Blynk Connected!")
    blynk.sync_virtual(0)


# DHT22 on GPIO14
dht_sensor = dht.DHT22(Pin(14))


# UART
uart = UART(1, baudrate=9600, tx=Pin(17), rx=Pin(16))

while True:
    try:
        # DHT22
        dht_sensor.measure()
        t = dht_sensor.temperature()  # °C
        h = dht_sensor.humidity()     # %

        # CSV message
        msg = "{:.1f},{:.1f},{}\n".format(t, h)

        uart.write(msg)
        print("Sent:", msg.strip())

    except Exception as e:
        print("DHT read error:", e)

    time.sleep(2)