"""Simple test for monochromatic character LCD""" import time import board import digitalio import adafruit_character_lcd.character_lcd as characterlcd # Modify this if you have a different sized character LCD lcd_columns = 16 lcd_rows = 2 # Metro M0/M4 Pin Config: lcd_rs = digitalio.DigitalInOut(board.D7) lcd_en = digitalio.DigitalInOut(board.D8) lcd_d7 = digitalio.DigitalInOut(board.D12) lcd_d6 = digitalio.DigitalInOut(board.D11) lcd_d5 = digitalio.DigitalInOut(board.D10) lcd_d4 = digitalio.DigitalInOut(board.D9) lcd_backlight = digitalio.DigitalInOut(board.D13) # Initialise the LCD class lcd = characterlcd.Character_LCD_Mono( lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, lcd_backlight ) # Turn backlight on lcd.backlight = True # Print a two line message lcd.message = "Hello\nCircuitPython" # Wait 5s time.sleep(5) lcd.clear() # Print two line message right to left lcd.text_direction = lcd.RIGHT_TO_LEFT lcd.message = "Hello\nCircuitPython" # Wait 5s time.sleep(5) # Return text direction to left to right lcd.text_direction = lcd.LEFT_TO_RIGHT # Display cursor lcd.clear() lcd.cursor = True lcd.message = "Cursor! " # Wait 5s time.sleep(5) # Display blinking cursor lcd.clear() lcd.blink = True lcd.message = "Blinky Cursor!" # Wait 5s time.sleep(5) lcd.blink = False lcd.clear() # Create message to scroll scroll_msg = "<-- Scroll" lcd.message = scroll_msg # Scroll message to the left for i in range(len(scroll_msg)): time.sleep(0.5) lcd.move_left() lcd.clear() lcd.message = "Going to sleep\nCya later!" time.sleep(3) # Turn backlight off lcd.backlight = False time.sleep(2)