# Example 12.1: Switch (bad connection) 
# Ag Ins & IoT Class, Dept of Ag.Engineering, KMITL 
# Ref: https://docs.micropython.org/en/latest/library/machine.Pin.html 
#
# CONCERN: 
#Floating signal on OFF position 

from machine import Pin 
from time import sleep_ms 

sw = Pin(2,Pin.IN) 

while True: 
    print(sw.value()) 
    sleep_ms(1000)