import machine
import time
import ssd1306
i2c = machine.I2C(0,sda=machine.Pin(4), scl= machine.Pin(5),freq=400000)
oled =ssd1306.SSD1306_I2C(128,64,i2c)
sensor_temp = machine.ADC(4)
conversion_factor =3.3/65535
print("Experiment 3.2: I2C OLED Display starting...")
while True:
    reading = sensor_temp.read_u16()*conversion_factor
    temperature = 27-(reading- 0.706)/0.001721
    oled.fill(0)
    oled.text("IOT MONITOR", 20,0)
    oled.hline(0,10,128,1)
    oled.text("status: ONLINE", 0,20)
    oled.text(f"Temp: {temperature:.if} C",0,40)
    oled.show()
    time.sleep(1)