from machine import Pin, I2C, ADC

import ssd1306

import time

# ---------- OLED SETUP ----------

i2c = I2C(0, scl=Pin(22), sda=Pin(21))

oled = ssd1306.SSD1306_I2C(128, 64, i2c)

# ---------- POTENTIOMETER ----------

pot = ADC(Pin(2))

pot.atten(ADC.ATTN_11DB) # Full range: 0–4095

# ---------- LEDS ----------

led1 = Pin(5, Pin.OUT)

led2 = Pin(18, Pin.OUT)

led3 = Pin(19, Pin.OUT)

# ---------- BUZZER ----------

buzzer = Pin(15, Pin.OUT)

# Make sure everything starts OFF

led1.off()

led2.off()

led3.off()

buzzer.off()

while True:

    pot_value = pot.read() # 0–4095

    percent = int((pot_value / 4095) * 100)

     # Clear display

oled.fill(0)

 oled.text("Pot Value:", 0, 0)

 oled.text(str(pot_value), 0, 10)

 oled.text("Level:", 0, 25)

 oled.text(str(percent) + "%", 0, 35)

 # Turn all LEDs OFF first (reset state)

 led1.off()

 led2.off()

 led3.off()

 buzzer.off()

 # LOW LEVEL (1–30%)

 if 1 <= percent <= 30:

 oled.text("LOW LEVEL", 0, 50)

 led1.on()

 # MEDIUM LEVEL (31–70%)

 elif 31 <= percent <= 70:

 oled.text("MEDIUM LEVEL", 0, 50)

 led1.on()

 led2.on()

 # HIGH LEVEL (71–100%)

 elif 71 <= percent <= 100:

 oled.text("HIGH LEVEL!", 0, 50)

 led1.on()

 led2.on()

 led3.on()

 buzzer.on()

 else:

 oled.text("0% - ALL OFF", 0, 50)

 oled.show()

 time.sleep(0.2)