SunFounder Da Vinci Kit Bedienungsanleitung Seite 349

if
GPIO.output(row, GPIO.LOW)
pressed_keys
return
################ EXAMPLE CODE START HERE ################
LENS = 4
password=['1','9','8','4']
testword=['0','0','0','0']
keyIndex=0
def check():
for i in range(0,LENS):
if(password[i]!=testword[i]):
return
return 1
def setup():
global keypad, last_key_pressed
rowsPins = [18,23,24,25]
colsPins = [10,22,27,17]
keys = ["1","2","3","A",
"4","5","6","B",
"7","8","9","C",
" * ","0","#","D"]
keypad = Keypad(rowsPins, colsPins, keys)
last_key_pressed
LCD1602.init(0x27, 1)
LCD1602.clear()
LCD1602.write(0, 0, 'WELCOME!')
LCD1602.write(2, 1,
time.sleep(2)
def destroy():
LCD1602.clear()
GPIO.cleanup()
def loop():
global keyIndex
global LENS
global keypad, last_key_pressed
while(True):
pressed_keys
if len(pressed_keys)
LCD1602.clear()
LCD1602.write(0, 0,
LCD1602.write(15-keyIndex,1, pressed_keys)
testword[keyIndex]=pressed_keys
keyIndex+=1
if (keyIndex
if
else:
1.9. 3 Erweiterung
(GPIO.input(col) ==
pressed_keys.append(self.keys[index])
0
= []
# init(slave address, background light)
'Enter password')
= keypad.read()
!= 0 and
"Enter
is LENS):
(check() is 0):
LCD1602.clear()
LCD1602.write(3, 0,
LCD1602.write(0, 1,
LCD1602.clear()
LCD1602.write(4, 0, "CORRECT!")
1):
last_key_pressed !=
password:")
"WRONG KEY!")
"please try again")
SunFounder Da Vinci Kit
(Fortsetzung der vorherigen Seite)
pressed_keys:
(Fortsetzung auf der nächsten Seite)
345