lcd_test.py

   1 from machine import I2C
   2 from lcd_api import LcdApi
   3 from pico_i2c_lcd import I2cLcd
   4
   5 # Define LCD I2C pins/BUS/address
   6 SDA = 2
   7 SCL = 3
   8 I2C_BUS = 1
   9 LCD_ADDR = 0x27
  10
  11 # Define LCD rows/columns
  12 LCD_NUM_ROWS = 2
  13 LCD_NUM_COLS = 16
  14
  15 # Set up LCD I2C
  16 lcdi2c = I2C(I2C_BUS, sda=machine.Pin(SDA), scl=machine.Pin(SCL), freq=400000)
  17 lcd = I2cLcd(lcdi2c, LCD_ADDR, LCD_NUM_ROWS, LCD_NUM_COLS)
  18
  19 # Show a string on the LCD
  20 lcd.putstr("Hello, World!")
  21
  22 print("*********************************")
  23 print("Display is now showing characters")
  24 print("*********************************")