#!/usr/bin/env python
"""Make an LED pulsate by fading in/out, varying the duty cycle.
"""
from blinkenlights import dimmer, setup, cleanup
pin = 18
bpm = 50
setup(pin)
up = range(10)
down = range(9)
down.reverse()
spectrum = up + down + [-1]
period = 60.0 / bpm # period is in seconds
time_per_level = period / len(spectrum)
# if time_per_level > 0.08 then the levels look too jerky.
for i in range(10): # 10 beats
for j in spectrum:
brightness = (j + 1) / 10.0
dimmer(brightness, time_per_level, pin)
cleanup()
in column 1. The ball is any of the four LEDs in columns 2-3. Player 2
can move up and down in column 4.
. b . p2
p1 . . .
"""
from blinkenlights import setup, cleanup
from fourleds import light, clear
from time import sleep
import random
pins = [37, 33, 31, 29, 36, 32, 22, 18]
# yp ym gp gm rp rm bp bm
setup(pins)
### Test pattern
clear(pins)
for i in pins:
light(i)
sleep(0.1)
clear(pins)
#### Definitions
class Ball:
def __init__(self, LL, UL, LR, UR):
self.field = [[LL, UL], [LR, UR]]
self.field_pins = [LL, UL, LR, UR]
#!/usr/bin/env python
"""Count upwards in binary using four LEDs."""
from blinkenlights import setup, cleanup
from fourleds import encode, light, clear
from time import sleep
all_leds = [32, 22, 18, 16]
# blu grn red yel
for p in all_leds:
setup(p)
for i in range(31):
encode(i, all_leds)
sleep(1)
cleanup()
