from machine import ADC, Pin
import math
import time
import dht

led = Pin(4, Pin.OUT)
led2 = Pin(21, Pin.OUT)
sensor = dht.DHT22(Pin(25))

GAMMA = 0.7;
RL10 = 85;

adc = ADC(Pin(15))
while(True):
  #Convert the analog value into lux value:
  analogValue = adc.read()
  voltage = analogValue / 1024. * 3.3
  resistance = 5000 * voltage / (1 - voltage / 3.3)
  lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA))
  sensor.measure() # read the parameters from the sensor
  t = sensor.temperature()
  if t > 40:
    led.on()
  else:
    led.off()
  time.sleep(1)