# Import necessary libraries
import machine
import onewire
import ds18x20
import utime
import urequests  # MicroPython library for HTTP requests

# Define GPIO pin for DS18B20 temperature sensor
temp_pin = machine.Pin(4)

# Initialize DS18B20 temperature sensor
ds_sensor = ds18x20.DS18X20(onewire.OneWire(temp_pin))

# Define GPIO pin for simulated heart rate (replace with actual Pulse Sensor code if available)
heart_rate_pin = machine.Pin(5)

def read_temperature():
    roms = ds_sensor.scan()
    ds_sensor.convert_temp()
    utime.sleep_ms(750)
    return ds_sensor.read_temp(roms[0])

def read_heart_rate():
    # Simulate heart rate data (replace with actual Pulse Sensor code if available)
    return 75 + utime.ticks_cpu() % 25

def send_to_thingspeak(temp, heart_rate):
    api_key = "BPAOGASI1E9A7OSO"
    url = "https://thingspeak.com/channels/2414981/api_keys" + api_key + "&field1=" + str(temp) + "&field2=" + str(heart_rate)
    
    response = urequests.get(url)
    print("Data sent to ThingSpeak. Response:", response.text)
    response.close()

# Main loop
while True:
    temperature = read_temperature()
    heart_rate = read_heart_rate()

    print("Temperature:", temperature, "°C")
    print("Heart Rate:", heart_rate, "bpm")

    send_to_thingspeak(temperature, heart_rate)

    utime.sleep(30)  # Adjust delay based on your requirements