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

# Initialize I2C for OLED
i2c = I2C(scl=Pin(22), sda=Pin(21))

# Initialize OLED display
oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

# Initialize ADC (Analog to Digital Converter)
adc = ADC(Pin(34))  # GPIO 34, ADC1 channel 6
adc.atten(ADC.ATTN_11DB)  # Full range: 3.3v

while True:
    # Read ADC value
    adc_value = adc.read()

    # Clear the display
    oled.fill(0)
    # Display ADC value
    oled.text("Analog ", 20,10 )
    oled.text("ADC Value:", 0,30 )
    oled.text(str(adc_value),90 , 30)

    # Update the display
    oled.show()

    # Delay before the next read