from machine import Pin ,ADC
import time,dht
sensor=dht.DHT22(Pin(0))
ledRed=Pin(1,Pin.OUT)
ledYellow=Pin(2,Pin.OUT)
ledGreen=Pin(3,Pin.OUT)
relayWater=Pin(4,Pin.OUT) #relay of water pump
relayLight=Pin(5,Pin.OUT) #relay of lamp of lighting
relayAir=Pin(9,Pin.OUT)
ldr=ADC(28)
temp=ADC(26)
while True:
    sensor.measure()
    humidity=sensor.humidity()
    light=ldr.read_u16() # unsigned 0--65500
    temAir=temp.read_u16()#climatisation
    lightPercent=(int(light*100/65500))
    if humidity<30:
        ledRed.on()
        ledYellow.off()
        ledGreen.off()
        relayWater.off()
    elif 30<=humidity<60:
        ledRed.off()
        ledYellow.on()
        ledGreen.off()
        relayWater.on()
    else:
        ledRed.off()
        ledYellow.off()
        ledGreen.on()
        relayWater.off()
    print(lightPercent)
    if lightPercent>70: #turn on the light when th light quantity
        relayLight.on() #turn on the lump
    else:
        relayLight.off()# turn off the lamp
    print(temAir)
    if temAir<34232:
        relayAir.on()
    else:
        relayAir.off()


print("Hello, Pi Pico!")