#!/usr/bin/python # Example using an RGB character LCD wired directly to Raspberry Pi or BeagleBone Black. import time import Adafruit_CharLCD as LCD # Raspberry Pi configuration: lcd_rs = 27 # Change this to pin 21 on older revision Raspberry Pi's lcd_en = 22 lcd_d4 = 25 lcd_d5 = 24 lcd_d6 = 23 lcd_d7 = 18 lcd_red = 4 lcd_green = 17 lcd_blue = 7 # Pin 7 is CE1 # BeagleBone Black configuration: # lcd_rs = 'P8_8' # lcd_en = 'P8_10' # lcd_d4 = 'P8_18' # lcd_d5 = 'P8_16' # lcd_d6 = 'P8_14' # lcd_d7 = 'P8_12' # lcd_red = 'P8_7' # lcd_green = 'P8_9' # lcd_blue = 'P8_11' # Define LCD column and row size for 16x2 LCD. lcd_columns = 16 lcd_rows = 2 # Alternatively specify a 20x4 LCD. # lcd_columns = 20 # lcd_rows = 4 # Initialize the LCD using the pins above. lcd = LCD.Adafruit_RGBCharLCD(lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, lcd_red, lcd_green, lcd_blue) # Show some basic colors. lcd.set_color(1.0, 0.0, 0.0) lcd.clear() lcd.message('RED') time.sleep(3.0) lcd.set_color(0.0, 1.0, 0.0) lcd.clear() lcd.message('GREEN') time.sleep(3.0) lcd.set_color(0.0, 0.0, 1.0) lcd.clear() lcd.message('BLUE') time.sleep(3.0) lcd.set_color(1.0, 1.0, 0.0) lcd.clear() lcd.message('YELLOW') time.sleep(3.0) lcd.set_color(0.0, 1.0, 1.0) lcd.clear() lcd.message('CYAN') time.sleep(3.0) lcd.set_color(1.0, 0.0, 1.0) lcd.clear() lcd.message('MAGENTA') time.sleep(3.0) lcd.set_color(1.0, 1.0, 1.0) lcd.clear() lcd.message('WHITE') time.sleep(3.0)