from machine import Pin,SoftI2C,Timer
import onewire,ds18x20,time
import ssd1306

i2c=SoftI2C(sda=Pin(21),scl=Pin(22))
oled ssd1306.SSD1306_I2C(128,64,i2c)

red = Pin(2,Pin.OUT)
green=Pin(4,Pin.OUT)
blue=Pin(16,Pin.OUT)

ow=onewire.OneWire(Pin(15))
ds=ds18x20.DS18X20(ow)
rom=ds.scan()
def temp_gat(tim):
    ds.convert_temp()
    temp=ds.read_temp(rom[0])
    oled.fill(0)
    oled.text(str('%2f'%temp),0,0)
    oled.show()

    if temp<50:
        red.value(0)
        green.value(1)
        blue.value(0)
    
    if temp>50:
        red.value(1)
        green.value(0)
        blue.value(0)

tim=Timer(-1)
tim.init(period=300,mode=Timer.PERIODIC,callback=temp_gat)