class neo16x16:
def __init__(self, pin):
self.np = NeoPixel(pin, 256)
self.color = (0,0,8)
def clear(self):
self.np.clear()
def set(self, n, dat):
self.np[n] = dat
self.np.show()
def setcolor(self, color):
self.color = color
def show(self, dat, pos=0, clear = True, color=''):
if color != '':
self.color = color
if clear:
for i in range(256):
self.np[i]=(0,0,0)
for x in range(16):
for y in range(16):
if (x+pos)>=len(dat):
self.np[x*16+y]=(0,0,0)
else:
if (1<<y)&dat[x+pos]:
if pos%2==0:
self.np[x*16 + y] = self.color
else:
self.np[x*16 +15 - y] = self.color
self.np.show()
class neo16x16_img:
def __init__(self,pin):
self.np=NeoPixel(pin,256)
def clear(self):
self.np.clear()
def show(self,dat,pos=0):
for x in range(16):
for y in range(8):
if ((x+pos)*8)>=len(dat):
self.np[x*16+y*2]=(0,0,0)
self.np[x*16+y*2+1]=(0,0,0)
else:
t=dat[(x+pos)*8+y]
r=t%16
g=(t>>4)%16
b=(t>>8)%16
if pos%2:
self.np[x*16+y*2]=(r,g,b)
else:
self.np[x*16+15-y*2]=(r,g,b)
r=(t>>12)%16
g=(t>>16)%16
b=(t>>20)%16
if pos%2:
self.np[x*16+y*2+1]=(r,g,b)
else:
self.np[x*16+14-y*2]=(r,g,b)
self.np.show()
BLACK = (0, 0, 0)
COLORS = (RED, YELLOW, GREEN, CYAN, BLUE, PURPLE, WHITE, BLACK)
# fill
for color in COLORS:
neo.fill(color)
neo.show()
time.sleep(0.25)
# chase
for color in COLORS:
for i in range(neo.n):
neo[i] = color
neo.show()
time.sleep(0.025)
# rainbow
for i in range(255):
neo.rainbow_cycle(i)
neo.show()
time.sleep(0.0025)
# rotate
for _ in range(neo.n * 3):
neo.rotate(clockwise=True)
neo.show()
time.sleep(0.05)
neo.clear()
neo.show()
from microbit import *
from neopixel import NeoPixel
np = NeoPixel(pin0, 5)
np.clear()
pin1.set_analog_period_microseconds(3000)
pin2.set_analog_period_microseconds(3000)
fwd = 255
bck = 767
off = 511
state = 4
numactions = 4
action = 0
def forward(t):
pin1.write_analog(fwd)
pin2.write_analog(bck)
sleep(t)
pin1.write_digital(0)
pin2.write_digital(0)
def backward(t):
pin1.write_analog(bck)
pin2.write_analog(fwd)
sleep(t)
from microbit import *
from neopixel import NeoPixel
np = NeoPixel(pin0,5)
np.clear()
pin1.set_analog_period_microseconds(3000)
pin2.set_analog_period_microseconds(3000)
fwd = 255
bck = 767
off = 511
state = 4
numactions = 4
action = 0
def forward(t):
pin1.write_analog(fwd)
pin2.write_analog(bck)
sleep(t)
pin1.write_digital(0)
pin2.write_digital(0)
def backward(t):
pin1.write_analog(bck)
pin2.write_analog(fwd)
sleep(t)
pin1.write_digital(0)
pin2.write_digital(0)
from microbit import *
from neopixel import NeoPixel
# import music
import random
num_pixels = 50
foreground = [0xff, 0x00, 0x00] # Hex color - red, green and blue
background = [0x10, 0x10, 0x10]
red = 0xf0
green = 0x00
blue = 0x00
ring = NeoPixel(pin2, num_pixels)
ring.clear()
data = []
def build_ranbow():
#data.clear()
for i in range(0, num_pixels):
red, green, blue = 0, 0, 0
shift = int(((i * 16) / num_pixels))
if shift == 0:
red = 0xff
if shift > 0 and shift < 8:
red = 0xff >> shift
green = ((0xff << shift) >> 8) & 0xff
if shift == 8:
green = 0xff
if shift > 8 and shift < 16:
green = 0xff >> (shift - 8)