from machine import Pin
import network
import time
import urequests
import json
#R紅，PIN7
#Y黃，PIN8
#B藍，PIN11
LED_R = Pin(7, Pin.OUT)                
LED_Y = Pin(8, Pin.OUT)                
LED_B = Pin(11, Pin.OUT)             

#連線及設定API
sta=network.WLAN(network.STA_IF)
sta.active(True)
sta.connect('Wokwi-GUEST','')
while not sta.isconnected() :
    time.sleep(0.1)
host='http://api.thingspeak.com'
api_key='LS5LR18Q9MI7CLC9'


#主程式
while True:

    #接收thinkspeak資料
    url='%s/channels/2509413/feeds.json?api_key=%s&results=1' %(host, api_key)
    r=urequests.get(url)
    d=json.loads(r.text)
    #資料定位
    WATER_Value = d['feeds'][0]['field1']
    TEMP_Value =d['feeds'][0]['field2']
    HUM_Value =d['feeds'][0]['field3']
    #顯示接收到的資訊
    print("水位:",str(WATER_Value),"%, 溫度:",str(TEMP_Value),"C, 濕度:",str(HUM_Value))
    #當溫度低於0度時，亮提示燈，反之不亮
    if(float(TEMP_Value) <= 0):                                  
        LED_Y.value(1)
    else:
        LED_Y.value(0)
    #當濕度超過65時，亮提示燈，反之不亮
    if(float(HUM_Value) > 65):
        LED_B.value(1)
    else:
        LED_B.value(0)
    #當水位低於30%時，亮提示燈，反之不亮
    if(float(WATER_Value) < 30):
        LED_R.value(1)
    else:
        LED_R.value(0)
    #每隔5秒做一次資料讀取
    time.sleep(5)