from machine import Pin, ADC
import time

# Pin assignments
led_pin = Pin(1, Pin.OUT)  # LED connected to GPIO pin 25
pot_pin = Pin(28)            # Potentiometer connected to GPIO pin 26
pot_adc = ADC(pot_pin)       # ADC object for potentiometer

# Function to read potentiometer value and map it to blinking speed
def get_blink_speed():
    pot_value = pot_adc.read_u16()  # Read potentiometer value (0-65535)
    # Map potentiometer value to blinking speed (0.1 - 1 second)
    blink_speed = (pot_value / 65535) * 0.9 + 0.1 
    return blink_speed

# Main loop
while True:
    blink_speed = get_blink_speed()
    led_pin.toggle()  # Toggle LED state
    time.sleep(blink_speed)  # Sleep for the calculated blink speed