from machine import Pin
import time

adc0 = machine.ADC(26)
adc1 = machine.ADC(27)
adc2 = machine.ADC(28)

while True:
  val1 = adc0.read_u16()
  val2 = adc1.read_u16()
  val3 = adc2.read_u16()
  print("======================================")
  print("adc0: ",val1)
  print("adc1: ",val2)
  print("adc2: ",val3)
  time.sleep(0.5)