def fade(time):
for x in range(0, 5):
for y in range(0, 5):
b = display.get_pixel(x, y)
if b > 0:
display.set_pixel(x, y, b - 1)
sleep(time)
def count_lit_pixels():
pixel_count = 0
for xx in range(5):
for yy in range(5):
if display.get_pixel(xx, yy) != 0:
pixel_count += 1
return pixel_count
def count_down(delay):
"""Count down and show progress"""
on_image = Image('99999:99999:99999:99999:99999')
display.show(on_image)
for y_coord in range(5):
for x_coord in range(5):
wait = delay
while wait >= 300:
sleep(300)
wait -= 300
if abandon_talk() is True:
return
# Flash the last row, so making it clear that
# the talk is coming to an end
if y_coord == 4:
for i in range(x_coord, 5):
brightness = display.get_pixel(i, y_coord)
if brightness == 0:
brightness = 9
else:
brightness = 0
display.set_pixel(i, y_coord, brightness)
sleep(wait)
display.set_pixel(x_coord, y_coord, 0)
start_up_screen()
return
def count_lit_pixels():
pixel_count = 0
for xx in range (5):
for yy in range (5):
if display.get_pixel(xx, yy) != 0:
pixel_count += 1
return pixel_count
def fade_display(fade=-3):
"""Loop over every pixel and reduce the brightness by the fade value."""
for x in range(0, 5):
for y in range(0, 5):
current = display.get_pixel(x, y)
faded = max(0, current + fade)
display.set_pixel(x, y, faded)
def dataRead():
global databyte
datab = ""
for y in range(3, 5):
for x in range(1, 5):
if (display.get_pixel(x, y) > 0):
datab = datab + "1"
else:
datab = datab + "0"
databyte = datab
"""
LEDs start at random brightnesses and go up or down randomly by one level.
"""
import random
from microbit import display
while True:
for x in range(5):
for y in range(5):
brightness = display.get_pixel(x, y)
brightness += random.randrange(-1, 2)
if brightness > 9:
brightness = 9
elif brightness < 0:
brightness = 0
display.set_pixel(x, y, brightness)
def fade():
for x in range(5):
for y in range(5):
brightness = display.get_pixel(x, y)
if brightness > 0:
display.set_pixel(x, y, brightness - 1)
with open('data.bin', 'wb') as f:
f.write((memory))
display.scroll('saved')
elif clicks == 4: #toggle tr acc
tr ^= True
elif clicks == 5: #reload sample program
for i, d in enumerate(prog):
memory[i] = d
memRead(pc)
elif clicks == 0: #no button clear data
databyte = "00000000"
dataWrite(databyte)
else:
display.set_pixel(row, col,
(7 * (display.get_pixel(row, col) < 1)))
dataRead()
elif button_b.is_pressed():
longpress = 0
clicks = button_a.get_presses()
clicks = 0
while button_b.is_pressed():
sleep(100)
longpress = longpress + 1
if longpress > 5: #options if button down >0.5second
clicks = button_a.get_presses()
if clicks == 1:
memWrite(pc)
pc = min(pc + 1, 255)
memRead(pc)
# Name: Fireflies
# Coder: Marco Janssen (twitter @marc0janssen)
# date: 2021-03-30
# version: 1.0.6
from microbit import display, sleep
from random import randint
while True:
sleep(50)
brightness = randint(1, 9)
x = randint(0, 4)
y = randint(0, 4)
if display.get_pixel(x, y) == 0:
display.set_pixel(x, y, brightness)
for fireflies in range(0, 5):
x = randint(0, 4)
y = randint(0, 4)
brightness = max(display.get_pixel(x, y), 1)
display.set_pixel(x, y, brightness - 1)
def fade(how_much=1):
for x in range(5):
for y in range(5):
brightness = display.get_pixel(x, y)
if brightness >= how_much:
display.set_pixel(x, y, brightness - how_much)
lx = max_x
if ly < -max_y:
ly = -max_y
elif ly > max_y:
ly = max_y
if lx == 0 and ly == 0:
dot_brightness = tgt_bright
else:
dot_brightness = bubble_bright
dotx = max_x - lx
doty = max_y - ly
background = display.get_pixel(dotx, doty)
display.set_pixel(dotx, doty, dot_brightness)
if dot_brightness == tgt_bright:
display.set_pixel(dotx + 1, doty, dot_brightness)
display.set_pixel(dotx - 1, doty, dot_brightness)
display.set_pixel(dotx, doty + 1, dot_brightness)
display.set_pixel(dotx, doty - 1, dot_brightness)
sleep(100)
display.set_pixel(dotx, doty, background)
if dot_brightness == tgt_bright:
display.set_pixel(dotx + 1, doty, 0)
display.set_pixel(dotx - 1, doty, 0)
display.set_pixel(dotx, doty + 1, 0)
display.set_pixel(dotx, doty - 1, 0)
# 循环进行
while True:
# 读取电位器位置（0-4095）
pv = poten.value()
# 根据读数设置LED灯状态
new_stat = (pv >= 2048)
if new_stat != is_on:
is_on = new_stat
function_map[is_on]()
# 渐隐效果
for i in range(5):
for j in range(5):
lightness = display.get_pixel(i, j)
display.set_pixel(i, j, max(0, lightness - 1))
# 计算并设置点亮像素位置
pos = int(pv * 25 / 4100)
pt = pos
while True:
display.set_pixel(pt % 5, pt // 5, 9)
if pt == pos_old:
break
elif pt > pos_old:
pt -= 1
else:
pt += 1
pos_old = pos
def swap_led(x, y):
""" Alternate an LED between light and dark """
if display.get_pixel(x, y) == 1:
display.set_pixel(x, y, 4)
else:
display.set_pixel(x, y, 1)
