計數器

118 :"108"

按鈕按一下七段顯示器的數字就會加一

從零開始慢慢加最多可以加到9999

• import RPi.GPIO as GPIO
• import time
• GPIO.setmode(GPIO.BCM)
• GPIO.setwarnings(False)
• GPIO.setup(2, GPIO.IN)
• segments = (5, 9, 17, 13, 19, 11, 4, 6)
• for segment in segments:
• GPIO.setup(segment, GPIO.OUT)
• GPIO.output(segment, 0)
• digits = (26, 10, 27, 22)
• for digit in digits:
• GPIO.setup(digit, GPIO.OUT)
• GPIO.output(digit, 1)
• #word =['0','0','0','0']
• #number = [0,0,0,0]
• dictionary = {' ':(0,0,0,0,0,0,0),
• '0':(1,1,1,1,1,1,0),
• '1':(0,1,1,0,0,0,0),
• '2':(1,1,0,1,1,0,1),
• '3':(1,1,1,1,0,0,1),
• '4':(0,1,1,0,0,1,1),
• '5':(1,0,1,1,0,1,1),
• '6':(1,0,1,1,1,1,1),
• '7':(1,1,1,0,0,0,0),
• '8':(1,1,1,1,1,1,1),
• '9':(1,1,1,1,0,1,1),}
• count=0
• push=0
• while True:
• if GPIO.input(2):
• push+=1
• time.sleep(0.001)
• if GPIO.input(2)==False and push>0:
• count+=1
• push=0
• word=str(count)
• while len(word)<4:
• word='0'+word
• for n in range(4):
• for digit in digits: # all digits off
• GPIO.output(digit, 1)
• GPIO.output(digits[n], 0)
• i = 0
• for on_or_off in dictionary[word[n]]:
• GPIO.output(segments[i], on_or_off)
• i += 1
• time.sleep(0.001)
• GPIO.cleanup()