計數器
編輯歷史
| 時間 | 作者 | 版本 |
|---|---|---|
| 2017-07-19 13:37 – 13:37 | r0 – r1 | |
顯示 diff+ 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()
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