"""Simple test for RGB character LCD on Raspberry Pi""" 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 # Raspberry Pi Pin Config: lcd_rs = digitalio.DigitalInOut(board.D26) # pin 4 lcd_en = digitalio.DigitalInOut(board.D19) # pin 6 lcd_d7 = digitalio.DigitalInOut(board.D27) # pin 14 lcd_d6 = digitalio.DigitalInOut(board.D22) # pin 13 lcd_d5 = digitalio.DigitalInOut(board.D24) # pin 12 lcd_d4 = digitalio.DigitalInOut(board.D25) # pin 11 lcd_backlight = digitalio.DigitalInOut(board.D4) red = digitalio.DigitalInOut(board.D21) green = digitalio.DigitalInOut(board.D12) blue = digitalio.DigitalInOut(board.D18) # Initialise the LCD class lcd = characterlcd.Character_LCD_RGB( lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, red, green, blue, lcd_backlight, ) RED = [1, 0, 0] GREEN = [0, 1, 0] BLUE = [0, 0, 1] while True: lcd.clear() lcd.message = "CircuitPython\nRGB Test: RED" lcd.color = RED time.sleep(1) lcd.clear() lcd.message = "CircuitPython\nRGB Test: GREEN" lcd.color = GREEN time.sleep(1) lcd.clear() lcd.message = "CircuitPython\nRGB Test: BLUE" lcd.color = BLUE time.sleep(1)