from time import sleep
from machine import ADC

#Define pins
button_1 = Pin(16, Pin.IN, Pin.PULL_UP)
thermistor_adc = ADC(26)

button_state = 0

def is_button_pressed(pin):
    global button_state
    button_state = button_state << 1 | pin.value()
    button_state = button_state & 0xFFFF
    return button_state == 0x8000

while True:
    if is_button_pressed(button_1):
        
while True:
    # Read ADC digital output
    digital_val = thermistor_adc.read_u16()

    # Calculate analog value
    analog_val = float((digital_val/(2**16-1)) * 3.3)

    print(analog_val)
   

    sleep(.05)