from machine import Pin, I2C, ADC
import ssd1306
from time import sleep

# ESP32 Pin assignment 
i2c = I2C(0, scl=Pin(22), sda=Pin(21))
#i2c = I2C(1, sig=Pin(32))


pot = ADC(Pin(32))
Conv = 0.0561661
pot.atten(ADC.ATTN_11DB)       #Full range: 3.3v

while True:
    pot_value = pot.read()
    pot_value = pot_value*Conv
    format_pot_value = "{:.0f}".format(pot_value)
    print(format_pot_value,'V')
    
    
    #oled_width = 128
    #oled_height = 64
    #oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

    #oled.text('', 10, 10)      
    #oled.show()
    sleep(3)