def lcd_display(): global flate if flate: lcd = CharLCD('PCF8574', address=ADDRESS, port=1, backlight_enabled=True) lcd.clear() lcd.cursor_pos = (0, 5) lcd.write_string("Welcome!") lcd.cursor_pos = (1, 5) global txt lcd.write_string(txt) flate = False os.system("cat /dev/null > plate.txt") else: lcd = CharLCD('PCF8574', address=ADDRESS, port=1, backlight_enabled=False) os.system("cat /dev/null > plate.txt")
def lcd_print_main(): sys.modules['smbus'] = smbus2 from RPLCD.i2c import CharLCD lcd = CharLCD('PCF8574', address=0x27, port=1, backlight_enabled=True) try: print('lcd printing') lcd.clear() while 1: lcd.cursor_pos = (0, 0) lcd.write_string("Whiskey") lcd.cursor_pos = (1, 0) lcd.write_string("is coming......") time.sleep(5) break # main() # lcd.clear() except KeyboardInterrupt: print('closing') finally: lcd.clear()
def get_lcd(backlight_on, clear_screen=True): GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(22, GPIO.IN, pull_up_down=GPIO.PUD_UP) lcd = CharLCD(i2c_expander='PCF8574', address=0x27, port=1, cols=20, rows=4, dotsize=8, charmap='A00', auto_linebreaks=True, #backlight_enabled=backlight_on) backlight_enabled=True) if clear_screen: lcd.clear() lcd.write_string("********************") lcd.cursor_pos = (1, 0) lcd.cursor_pos = (3, 0) lcd.write_string("********************") return lcd
from RPLCD.i2c import CharLCD import time import datetime # python date module lcd = CharLCD('PCF8574', 0x27) try: while True: now = datetime.datetime.now() # current time nowDate = now.strftime('%Y-%m-%d') # today's date parsing nowTime = now.strftime('%H-%M:%S') # today's time parsing print(now, nowDate, nowTime) time.sleep(1) lcd.clear() lcd.cursor_pos = (0, 3) # Position to mark letters lcd.write_string(nowDate) lcd.crlf() lcd.cursor_pos = (1, 4) lcd.write_string(nowTime) except KeyboardInterrupt: lcd.clear() # LCD clean
from gpiozero import MCP3008 from time import sleep from RPLCD.i2c import CharLCD lm35 = MCP3008(channel=1) lcd = CharLCD('PCF8574', address=0x3f, port=1, backlight_enabled=True) lcd.clear() def convert_temp(gen): for value in gen: print('value=', value) yield value * 3.3 * 100 for temp in convert_temp(lm35.values): print('The temp is ', temp, ' C') lcd.cursor_pos = (0, 0) lcd.write_string('Temp %.2f C' % temp) sleep(1)
## Pinout # GND - Pin 6 # VCC - Pin 4 # SDA - Pin 3 # SCL - Pin 5 lcd = CharLCD(i2c_expander='PCF8574', address=0x27, port=1, cols=16, rows=2, dotsize=8, charmap='A02', auto_linebreaks=False, backlight_enabled=True) lines = [ "abcdefghijklmnop123", "It works! but you can't see the rest of the text" ] for i, line in enumerate(lines): char_count = len(line) #print(char_count) if char_count > 16: print(f"The message on LINE {i} is too long to display!") print(f"Only displaying:\t\'{line[0:16]}\'") print(f"Should see:\t\t\'{line}\'") lcd.cursor_pos = (i, 0) lcd.write_string(line)
if artist == 'false': artist = idots lines = rows == 2 and title or artist + rn + title + rn + album # remove accents lines = ''.join(c for c in unicodedata.normalize('NFD', lines) if unicodedata.category(c) != 'Mn') lcd.write_string(lines + rn + progress[:cols]) lcd.close() if state == 'stop' or state == 'pause': quit() # play import subprocess import time prog = subprocess.getoutput("mpc | awk '/^.playing/ {print $3}' | cut -d/ -f1") elapsed = 0 for each in prog.split(':'): elapsed = elapsed * 60 + int(each) row = rows - 1 starttime = time.time() while True: sl = 1 - ((time.time() - starttime) % 1) time.sleep(sl) progress = iplay + second2hhmmss(elapsed) + totalhhmmss if len(progress) > (cols - 3): progress += ' ' lcd.cursor_pos = (row, 0) lcd.write_string(progress[:cols]) elapsed += 1
from RPLCD.i2c import CharLCD from time import sleep lcd = CharLCD("PCF8574", 0x27) lcd.write_string('Raspberry Pi HD44780') lcd.cursor_pos = (2, 0) lcd.write_string('https://github.com/\n\rdbrgn/RPLCD')
relais8 = LED(9, active_high=False) relais9 = LED(11, active_high=False) lcd = CharLCD(i2c_expander='PCF8574', address=0x20, port=1, cols=20, rows=4, dotsize=8, charmap='A02', auto_linebreaks=True, backlight_enabled=True) # Display löschen und Starttext ausgeben lcd.clear() lcd.cursor_pos = (1, 1) lcd.write_string("Initialisierung ...") #Relais auf 0 schalten relais1.off() relais2.off() relais3.off() relais4.off() relais5.off() relais6.off() relais7.off() relais8.off() relais9.off() # Pygame starten für USB-KeyPad pygame.init()
# see note in test_16x2.py about configuring your backlight, if you have one input('Display should be blank. ') lcd.cursor_mode = CursorMode.blink input('The cursor should now blink. ') lcd.cursor_mode = CursorMode.line input('The cursor should now be a line. ') lcd.write_string('Hello world!') input('"Hello world!" should be on the LCD. ') assert lcd.cursor_pos == (0, 12), 'cursor_pos should now be (0, 12)' lcd.cursor_pos = (1, 0) lcd.write_string('2') lcd.cursor_pos = (2, 0) lcd.write_string('3') lcd.cursor_pos = (3, 0) lcd.write_string('4') assert lcd.cursor_pos == (3, 1), 'cursor_pos should now be (3, 1)' input('Lines 2, 3 and 4 should now be labelled with the right numbers. ') lcd.clear() input('Display should now be clear, cursor should be at initial position. ') lcd.cursor_pos = (0, 5) lcd.write_string('12345') input('The string should have a left offset of 5 characters. ')
def main(): try: thread_one_wire = One_Wire() thread_one_wire.start() thread_stop_watch = Stop_Watch() thread_stop_watch.start() lcd = CharLCD('PCF8574', 0x27) degree = (0b00010, 0b00101, 0b00101, 0b00010, 0b00000, 0b00000, 0b00000, 0b00000) lcd.create_char(0, degree) sandclock = (0b00000, 0b11111, 0b01010, 0b00100, 0b00100, 0b01010, 0b11111, 0b00000) lcd.create_char(1, sandclock) lcd.cursor_pos = (0, 0) lcd.write_string('Temp 1: 00.0\x00C') lcd.cursor_pos = (1, 0) lcd.write_string('Temp 2: 00.0\x00C') lcd.cursor_pos = (2, 0) lcd.write_string('Temp 3: 00.0\x00C') lcd.cursor_pos = (3, 0) lcd.write_string('Timer : 00:00:00') Display_ref = ['0','02','03'] print("End program with CRLT+C !!") while(True): for i in range(3): lcd.cursor_pos = (i, 8) lcd.write_string(thread_one_wire.Device_Temp[i]) if Display_ref[0] != thread_stop_watch.Display_value[0]: lcd.cursor_pos = (3, 9) Display_ref[0] = thread_stop_watch.Display_value[0] lcd.write_string(thread_stop_watch.Display_value[0]) #print("treffer hour") if Display_ref[1] != thread_stop_watch.Display_value[1]: lcd.cursor_pos = (3, 11) Display_ref[1] = thread_stop_watch.Display_value[1] #print("treffer min") if len(thread_stop_watch.Display_value[1]) > 1: lcd.write_string(thread_stop_watch.Display_value[1]) else: lcd.write_string("0" + thread_stop_watch.Display_value[1]) if Display_ref[2] != thread_stop_watch.Display_value[2]: lcd.cursor_pos = (3, 14) Display_ref[2] = thread_stop_watch.Display_value[2] #print("treffer sec") if len(thread_stop_watch.Display_value[2]) > 1: lcd.write_string(thread_stop_watch.Display_value[2]) else: lcd.write_string("0" + thread_stop_watch.Display_value[2]) if thread_stop_watch.Timer_running == True: lcd.cursor_pos = (3, 18) lcd.write_string('\x01') else: lcd.cursor_pos = (3, 18) lcd.write_string(' ') time.sleep(.5) except Exception as err: print(err)
import sys import smbus2 from RPLCD.i2c import CharLCD sys.modules['smbus'] = smbus2 import time if __name__ == "__main__": lcd = CharLCD('PCF8574', address=0x27, port=1, backlight_enabled=True) lcd.clear() while(True): today = time.localtime(time.time()) line1 = time.strftime("%Y/%m/%d %a", today) taipei_time = time.strftime("%H:%M:%S", today) today = time.localtime(time.time()+3600) tokyo_time = time.strftime("%H:%M:%S", today) today = time.gmtime(time.time()) london_time = time.strftime("%I:%M:%S %p", today) lcd.cursor_pos = (0, 3) #lcd.write_string("{:^20s}".format(line1)) lcd.write_string(line1) lcd.cursor_pos = (1, 0) lcd.write_string("{:>6s}: {}".format("Taipei", taipei_time)) lcd.cursor_pos = (2, 0) lcd.write_string("{:>6s}: {}".format("Tokyo", tokyo_time)) lcd.cursor_pos = (3, 0) lcd.write_string("{:>6s}: {}".format("London", london_time))
stdin=subprocess.PIPE) out, err = bt.communicate("exit") # strip escape sequences out = out.replace("\x1b[", "") # extract connected device cn = out[out.find("[") + 1:out.find("]")] if cn == 'bluetooth': return '' return "BT:" + cn[0:13] # ini LCD lcd = CharLCD('PCF8574', 0x27) lcd.compat_mode = True # show splash lcd.cursor_pos = (0, 0) lcd.write_string(' Moodeaudio ') lcd.cursor_pos = (1, 0) lcd.write_string(' by I8ZSE ') sleep(5) # get main ip address and show it on LCD s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.connect(("8.8.8.8", 80)) lanip = s.getsockname()[0] # show IP address of device lcd.clear() lcd.cursor_pos = (1, int((LCD_W - len(lanip)) / 2)) lcd.write_string(lanip) sleep(3) # clear LCD lcd.cursor_pos = (1, 0)
from RPLCD.i2c import CharLCD import datetime import psutil import time lcd1 = CharLCD(i2c_expander='PCF8574', address=0x22, port=0, cols=20, rows=4, dotsize=8, charmap='A02', auto_linebreaks=True, backlight_enabled=True) lcd1.clear() lcd1.cursor_pos = (0, 0) lcd1.write_string("Current Temperature ") lcd1.cursor_pos = (2, 0) lcd1.write_string("Current Datetime ") lcd2 = CharLCD(i2c_expander='PCF8574', address=0x20, port=0, cols=20, rows=4, dotsize=8, charmap='A02', auto_linebreaks=True, backlight_enabled=True) lcd2.clear() lcd2.cursor_pos = (0, 0)
import sys import smbus2 from RPLCD.i2c import CharLCD sys.modules['smbus'] = smbus2 import time if __name__ == "__main__": lcd = CharLCD('PCF8574', address=0x27, port=1, backlight_enabled=True) lcd.clear() text = "Raspberry" while (True): for i in range(80): lcd.clear() lcd.cursor_pos = (int(i / 20), i % 20) lcd.write_string(text) time.sleep(0.4)
print ("Motion detected") for i in range(10): GPIO.output(16, 1) time.sleep(0.2) GPIO.output(16, 0) time.sleep(0.2) #閃完紅燈後開啟攝像頭,如果可以為登陸成員則螢幕顯示 if takepicture.main() == True : print("Welecome Home") #偵測到有人觸摸後執行 try: print('loading') lcd.clear() while True: if GPIO.input(11): GPIO.output(13,1) GPIO.output(15,0) #在LCD螢幕顯示,並觸發紅外線感測器執行 lcd.cursor_pos = (0, 0) lcd.write_string("Please standing ") lcd.cursor_pos = (1, 0) lcd.write_string(" on LINE ") GPIO.add_event_detect(12, GPIO.RISING, callback=action, bouncetime=200) time.sleep(1) except KeyboardInterrupt: print('close') finally: lcd.clear()
tn.write('your callsign' + "\n") #please enter your callsign time.sleep(5) # Main body of code try: while True: line = tn.read_until("\n") # Read one line l1 = line.split() add = [" "," "," "," "," "," "," "," "," "," "] l1.extend(add) print(l1)[0],(l1)[1],(l1)[2],(l1)[3],(l1)[4],(l1)[5],(l1)[6],(l1)[7],(l1)[8] lcd.write_string((l1)[0]) lcd.write_string(" "+(l1)[1]) lcd.write_string(" "+(l1)[2]) lcd.cursor_pos = (1, 0) lcd.write_string((l1)[3]) lcd.write_string(" "+(l1)[4]) lcd.cursor_pos = (2, 0) lcd.write_string((l1)[5]) lcd.write_string(" "+(l1)[6]) time.sleep(10) #i add time between spot. If you want different seconds, change 10 lcd.close(clear=True) if b'abcd' in line: # last line, no more read break except KeyboardInterrupt: # If there is a KeyboardInterrupt (when you press ctrl+c), exit the pr$ print("Cleaning up!") lcd.close(clear=True)
#!/bin/python3 # -*- coding: utf-8 -*- import sys from RPLCD.i2c import CharLCD lcd = CharLCD(i2c_expander='PCF8574', address=0x3f, port=1, cols=16, rows=2, dotsize=8, charmap='A02', auto_linebreaks=True, backlight_enabled=True) lcd.write_string(sys.argv[1]) lcd.cursor_pos = (1, 0) lcd.write_string(sys.argv[2] + "m" + sys.argv[3] + "s left") exit()
from time import sleep from threading import Thread lcd = CharLCD(i2c_expander='PCF8574', address=0x3f, port=1, cols=20, rows=4, dotsize=8, charmap='A02', auto_linebreaks=True, backlight_enabled=False) lcd.cursor_mode = "hide" lcd.write_string('PiNet -> Nexus') lcd.cursor_pos = (2, 0) lcd.write_string('BORG Assimilated') lcd.cursor_pos = (3, 0) lcd.write_string("{:^20}".format("PolyHub Listening...")) def turnOnForSeconds(seconds=5): backlightThread = Thread(target=timedBacklight, args=(seconds, )) backlightThread.start() def timedBacklight(seconds): lcd.backlight_enabled = True sleep(seconds) lcd.backlight_enabled = False