1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
from microbit import *
hands = Image.ALL_CLOCKS
#A centre dot of brightness 2.
ticker_image = Image("2\n").crop(-2,-2,5,5)
#Adjust these to taste
MINUTE_BRIGHT = 0.1111
HOUR_BRIGHT = 0.55555
#Generate hands for 5 minute intervals
def fiveticks():
fivemins = 0
hours = 0
while True:
yield hands[fivemins]*MINUTE_BRIGHT + hands[hours]*HOUR_BRIGHT
fivemins = (fivemins+1)%12
hours = (hours + (fivemins == 0))%12
#Generate hands with ticker superimposed for 1 minute intervals.
def ticks():
on = True
for face in fiveticks():
for i in range(5):
if on:
yield face + ticker_image
else:
yield face - ticker_image
on = not on
#Run a clock speeded up 60 times, so we can watch the animation.
for tick in ticks():
display.show(tick)
sleep(1000)
|
