#              .';:cc;.
#            .,',;lol::c.
#            ;';lddddlclo
#            lcloxxoddodxdool:,.
#            cxdddxdodxdkOkkkkkkkd:.
#          .ldxkkOOOOkkOO000Okkxkkkkx:.
#        .lddxkkOkOOO0OOO0000Okxxxxkkkk:
#       'ooddkkkxxkO0000KK00Okxdoodxkkkko
#      .ooodxkkxxxOO000kkkO0KOxolooxkkxxkl
#      lolodxkkxxkOx,.      .lkdolodkkxxxO.
#      doloodxkkkOk           ....   .,cxO;
#      ddoodddxkkkk:         ,oxxxkOdc'..o'
#      :kdddxxxxd,  ,lolccldxxxkkOOOkkkko,
#       lOkxkkk;  :xkkkkkkkkOOO000OOkkOOk.
#        ;00Ok' 'O000OO0000000000OOOO0Od.
#         .l0l.;OOO000000OOOOOO000000x,
#            .'OKKKK00000000000000kc.
#               .:ox0KKKKKKK0kdc,.
#                      ...
#
# Author: peppe8o
# Blog: https://peppe8o.com
# Date: May 29th, 2021
# Version: 1.0

import machine
sdaPIN=machine.Pin(0)
sclPIN=machine.Pin(1)
i2c=machine.I2C(0,sda=sdaPIN, scl=sclPIN, freq=400000)

print('Scanning i2c bus')
devices = i2c.scan()

if len(devices) == 0:
 print("No i2c device !")
else:
 print('i2c devices found:',len(devices))

for device in devices:
 print("Decimal address: ",device," | Hexa address: ",hex(device))