import machine
from pico_i2c_lcd import I2cLcd


sdaPIN=machine.Pin(21)  #for ESP32
sclPIN=machine.Pin(22)

i2c=machine.I2C(sda=sdaPIN, scl=sclPIN, freq=10000)   

devices = i2c.scan()
if len(devices) == 0:
 print("No i2c device !")
else:
 print('i2c devices found:',len(devices))
for device in devices:
 print("At address: ",hex(device))

 lcd = I2cLcd(i2c, devices[0], 2, 16)

while True:
  lcd.move_to(0,0)
  lcd.putstr("I2CAddress:"+hex(devices[0])+"\n")
  lcd.move_to(0,1)
  lcd.putstr("CircuitSchools.")