import time
import machine
import network
import urequests

# WiFi Wokwi
ssid = "Wokwi-GUEST"
password = ""

# Token dari ThingsBoard
access_token = "vq3isrytqkjs3ti07hkb"

# Sambung ke WiFi
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(ssid, password)
print("Connecting to WiFi", end="")

while not wifi.isconnected():
    print(".", end="")
    time.sleep(0.5)

print("\nConnected to WiFi!")
print("IP address:", wifi.ifconfig()[0])

# Pin untuk potensiometer / sensor pH
adc = machine.ADC(machine.Pin(34))
adc.atten(machine.ADC.ATTN_11DB)  # 0-3.3V

def convert_to_ph(value):
    return round((value / 4095) * 14, 2)

# Loop kirim data
while True:
    value = adc.read()
    ph = convert_to_ph(value)
    data = {"ph": ph}
    print("Sending:", data)

    try:
        url = f"https://thingsboard.cloud/api/v1/{access_token}/telemetry"
        response = urequests.post(url, json=data)
        print("Status:", response.status_code)
        response.close()
    except Exception as e:
        print("HTTP Error:", e)

    time.sleep(10)