from machine import Pin, I2C,ADC
import ssd1306
import time
import dht
# ESP32 Pin assignment 
i2c = I2C(0, scl=Pin(22), sda=Pin(21))
sensor_pin=Pin(14,Pin.IN)
sensor=dht.DHT22(Pin(26))
ligth_sensor=ADC(sensor_pin)
oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

while True:
    sensor.measure()
    temp=sensor.temperature()
    hum=sensor.humidity()
    signal=65535- ligth_sensor.read_u16()
    light_persent=int(signal*(100/65535))
    print('signal is : ',light_persent)
    oled.text('light(%):'+str(light_persent), 0, 0) 
    oled.text('temperature:'+str(temp)+'°', 0, 10) 
    oled.text('humidity:'+str(hum)+'%', 0, 20) 
    oled.show()
    time.sleep_ms(50)
    oled.fill(0)
    time.sleep_ms(50)