import machine

# Initialize ADC on pin 27
adc = machine.ADC(27)


# Set ADC voltage range to 0-5V
adc.vref(5.0)

# Set ADC reference voltage to 3.3V
adc.attenuation(machine.ADC.ATTN_11DB)

# Read the analog value
analog_value = adc.read()

# Print the analog value
print(analog_value)