from machine import Pin
import network
import time
import urequests
import json
LED_Temp = Pin(16, Pin.OUT)                             #led輸出接腳(GPIO.16),定義為LED_Temp
LED_Hum = Pin(15, Pin.OUT)                              #led輸出接腳(GPIO.15),定義為LED_Hum
LED_ADC = Pin(14, Pin.OUT)                              #led輸出接腳(GPIO.14),定義為LED_ADC

#https://api.thingspeak.com/update?api_key=5KXOGHUHCNIFNZ72&field1=0

#連線
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='SPD55HMHE4ENJEML'


#主程式
while True:

    #接收thinkspeak資料
    url='%s/channels/2501169/feeds.json?api_key=%s&results=1' %(host, api_key)
    r=urequests.get(url)
    d=json.loads(r.text)
    #資料定位
    ADC_Value = d['feeds'][0]['field1']
    TEMP_Value =d['feeds'][0]['field2']
    HUM_Value =d['feeds'][0]['field3']
    print("ADC=", str(ADC_Value), "V, TEMP=", str(TEMP_Value), ",HUM=", str(HUM_Value))
    #當溫度超過40度時，亮提示燈，反之不亮
    if(float(TEMP_Value) > 40):                                  
        LED_Temp.value(1)
    else:
        LED_Temp.value(0)
    #當濕度超過60時，亮提示燈，反之不亮
    if(float(HUM_Value) > 60):
        LED_Hum.value(1)
    else:
        LED_Hum.value(0)
    #當電壓低於1.25V時，亮提示燈，反之不亮
    if(float(ADC_Value) < 1.25):
        LED_ADC.value(1)
    else:
        LED_ADC.value(0)
    time.sleep(3)