from neopixel import Neopixel
from time import sleep
NUMBER_PIXELS = 2
STATE_MACHINE = 0
LED_PIN = 11
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, LED_PIN, "GRB")
while True:
# blink red
for i in range(0, NUMBER_PIXELS):
strip.set_pixel(i, (255, 0, 0))
strip.show()
sleep(.5)
# blink green
for i in range(0, NUMBER_PIXELS):
strip.set_pixel(i, (0, 255, 0))
strip.show()
sleep(.5)
# blink blue
for i in range(0, NUMBER_PIXELS):
strip.set_pixel(i, (0, 0, 255))
strip.show()
sleep(.5)
for i in range(0, NUMBER_PIXELS):
strip.set_pixel(i, (0, 0, 0))
strip.show()
violet = (138, 43, 226) # mostly pink
cyan = (0, 255, 255)
lightgreen = (100, 255, 100)
white = (128, 128, 128) # not too bright
pink = (255, 128, 128)
color_names = ('red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet',
'cyan', 'lightgreen', 'white')
num_colors = len(color_names)
colors = (red, orange, yellow, green, blue, indigo, violet, cyan, lightgreen,
white, pink)
NUMBER_PIXELS = 2
STATE_MACHINE = 0
NEOPIXEL_PIN = 18
# The Neopixels on the Maker Pi RP2040 are the GRB variety, not RGB
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, NEOPIXEL_PIN, "GRB")
strip.brightness(100)
def turn_motor_on(pwm, motor_power):
pwm.duty_u16(motor_power)
def turn_motor_off(pwm):
pwm.duty_u16(0)
def forward(motor_power):
turn_motor_on(right_forward, motor_power)
turn_motor_on(left_forward, motor_power)
turn_motor_off(right_reverse)
import machine, neopixel, time
# Set the pin number and number of pixels
from neopixel import Neopixel
NEOPIXEL_PIN = 0
NUMBER_PIXELS = 144
strip = Neopixel(NUMBER_PIXELS, 0, 0, "GRB")
# blink the first pixel red
while True:
# set pixel 0 to be red
strip.set_pixel(0,(255,0,0))
strip.show()
time.sleep(0.5)
# turn pixel 0 off
strip.set_pixel(0, (0,0,0))
# set pixel 1 to be green
strip.set_pixel(1,(0,255,0))
strip.show()
time.sleep(0.5)
# turn pixel 0 off
strip.set_pixel(1, (0,0,0))
# set pixel 2 to be blue
strip.set_pixel(2,(0,0,255))
strip.show()
time.sleep(0.5)
# turn pixel 0 off
strip.set_pixel(2, (0,0,0))
from utime import sleep
# We are using https://github.com/blaz-r/pi_pico_neopixel
from neopixel import Neopixel
NUMBER_PIXELS = 2
STATE_MACHINE = 0
LED_PIN = 18
# The Neopixels on the Maker Pi RP2040 are the GRB variety, not RGB
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, LED_PIN, "GRB")
while True:
# turn on first red for 1/2 second
strip.set_pixel(0, (255, 0, 0))
strip.show()
sleep(.5)
strip.set_pixel(0, (0, 0, 0)) # all first off
strip.show()
sleep(.5)
import time
from neopixel import Neopixel
# https://github.com/blaz-r/pi_pico_neopixel
numpix = 12
strip = Neopixel(numpix, 0, 0, "GRB")
# strip.brightness(50)
red = (255, 0, 0)
orange = (255, 165, 0)
yellow = (255, 255, 0)
green = (0, 255, 0)
blue = (0, 0, 255)
indigo = (75, 0, 130)
violet = (138, 43, 226)
colors = (red, orange, yellow, green, blue, indigo, violet)
strip.brightness(255)
while True:
for color in colors:
for i in range(numpix):
strip.set_pixel(i, color)
strip.show()
time.sleep(0.1)
import machine, neopixel
from utime import sleep
from neopixel import Neopixel
NEOPIXEL_PIN = 16
NUMBER_PIXELS = 10
strip = Neopixel(NUMBER_PIXELS, 0, NEOPIXEL_PIN, "GRB")
strip.brightness(100)
def wheel(pos):
# Input a value 0 to 255 to get a color value.
# The colours are a transition r - g - b - back to r.
if pos < 0 or pos > 255:
return (0, 0, 0)
if pos < 85:
return (255 - pos * 3, pos * 3, 0)
if pos < 170:
pos -= 85
return (0, 255 - pos * 3, pos * 3)
pos -= 170
return (pos * 3, 0, 255 - pos * 3)
def rainbow_cycle(wait):
for j in range(255):
for i in range(NUMBER_PIXELS):
rc_index = (i * 256 // NUMBER_PIXELS) + j
pixels[i] = wheel(rc_index & 255)
pixels.write()
from utime import sleep
# We are using https://github.com/blaz-r/pi_pico_neopixel
from neopixel import Neopixel
NUMBER_PIXELS = 12
STATE_MACHINE = 0
LED_PIN = 0
# The Neopixels on the Maker Pi RP2040 are the GRB variety, not RGB
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, LED_PIN, "GRB")
# Color RGB values
red = (255, 0, 0)
off = (0, 0, 0)
orange = (255, 60, 0) # Gamma corrected from G=128 to be less like yellow
yellow = (255, 150, 0)
green = (0, 255, 0)
blue = (0, 0, 255)
indigo = (75, 0, 130) # purple?
violet = (138, 43, 226) # mostly pink
color_names = ('red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet')
num_colors = len(color_names)
colors = (red, orange, yellow, green, blue, indigo, violet)
# set to be 1 to 100 for percent brightness
strip.brightness(100)
color_index = 0
while True:
for i in range(0, NUMBER_PIXELS - 1):
strip.set_pixel(i, red)
# Sensor Code sda = machine.Pin(16) scl = machine.Pin(17) i2c = machine.I2C(0, sda=sda, scl=scl) # Create a VL53L0X object tof = VL53L0X.VL53L0X(i2c) tof.start() # startup the sensor # used to blink the onboard LED led_onboard = machine.Pin(25, machine.Pin.OUT) # LED Code numpix = 72 strip = Neopixel(numpix, 0, 0, "GRB") # we turn the brightness way down to not oversaturate the brightness in the video strip.brightness(20) # driving parameters POWER_LEVEL = 30000 # use a value from 20000 to 65025 TURN_THRESHOLD = 400 # 25 cm TURN_TIME = .25 # seconds of turning BACKUP_TIME = .75 # seconds of backing up if obstacle detected red = (255, 0, 0) orange = (255, 165, 0) yellow = (255, 255, 0) green = (0, 255, 0) blue = (0, 0, 255) indigo = (75, 0, 130)
# press buttons to change the color of the NeoPixels
import utime
from machine import Pin
from neopixel import Neopixel
NUMBER_PIXELS = 2
STATE_MACHINE = 0
LED_PIN = 18
BUTTON_A_PIN = 20
BUTTON_B_PIN = 21
# Sample Raspberry Pi Pico MicroPython button press example with a debounce delay value of 200ms in the interrupt handler
# The Neopixels on the Maker Pi RP2040 are the GRB variety, not RGB
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, LED_PIN, "GRB")
# Color RGB values
red = (255, 0, 0)
orange = (125, 60, 0) # Gamma corrected from G=128 to be less like yellow
yellow = (255, 150, 0)
green = (0, 255, 0)
blue = (0, 0, 255)
cyan = (0, 255, 255)
indigo = (75, 0, 130) # purple?
violet = (138, 43, 226) # mostly pink
white = (255, 255, 255)
color_names = ('red', 'orange', 'yellow', 'green', 'blue', 'cyan', 'indigo',
'violet', 'white')
num_colors = len(color_names)
colors = (red, orange, yellow, green, blue, cyan, indigo, violet, white)
# color index into colors list
neopixel_a = 0
from neopixel import Neopixel from machine import Pin from random import choice from time import sleep np = Neopixel(Pin(4), 8) def val_gen(): yield choice(range(255)) def color_gen(): yield tuple(next(val_gen()) for i in range(3)) while True: np[choice(range(8))] = next(color_gen()) sleep(0.5)
from utime import sleep
# We are using https://github.com/blaz-r/pi_pico_neopixel
from neopixel import Neopixel
NUMBER_PIXELS = 2
STATE_MACHINE = 0
LED_PIN = 18
# The Neopixels on the Maker Pi RP2040 are the GRB variety, not RGB
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, LED_PIN, "GRB")
while True:
# turn on first pixel red for 1/2 second
strip.set_pixel(0, (255, 0, 0))
strip.show()
sleep(.5)
strip.set_pixel(0, (0, 0, 0)) # turn all colors off
strip.show()
sleep(.5)
from utime import sleep
# We are using https://github.com/blaz-r/pi_pico_neopixel
from neopixel import Neopixel
NUMBER_PIXELS = 27
STATE_MACHINE = 0
LED_PIN = 0
# The Neopixels on the Maker Pi RP2040 are the GRB variety, not RGB
strip = Neopixel(NUMBER_PIXELS, STATE_MACHINE, LED_PIN, "GRB")
# Color RGB values
red = (255, 0, 0)
red_med = (32, 0, 0)
red_light = (8, 0, 0)
off = (0, 0, 0)
orange = (255, 60, 0) # Gamma corrected from G=128 to be less like yellow
yellow = (255, 150, 0)
green = (0, 255, 0)
blue = (0, 0, 255)
indigo = (75, 0, 130) # purple?
violet = (138, 43, 226) # mostly pink
color_names = ('red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet')
num_colors = len(color_names)
colors = (red, orange, yellow, green, blue, indigo, violet)
# set to be 1 to 100 for percent brightness
strip.brightness(100)
delay = .1
color_index = 0
import machine
from neopixel import Neopixel
from utime import sleep
NEOPIXEL_PIN = 0
NUMBER_PIXELS = 72
strip = Neopixel(NUMBER_PIXELS, 0, 0, "GRB")
delay = .01
# blink the first pixel red
while True:
for i in range(0, 5):
strip.set_pixel(NUMBER_PIXELS - 1, (255, 0, 0))
strip.show()
sleep(0.1)
strip.set_pixel(NUMBER_PIXELS - 1, (0, 0, 0))
strip.show()
sleep(0.1)
for i in range(0, NUMBER_PIXELS - 1):
# set pixel 0 to be red
strip.set_pixel(i, (255, 0, 0))
strip.show()
sleep(delay)
# turn pixel 0 off
strip.set_pixel(i, (0, 0, 0))
for i in range(NUMBER_PIXELS - 1, 0, -1):
# set pixel 0 to be red
strip.set_pixel(i, (255, 0, 0))
strip.show()
import time
from neopixel import Neopixel
NUMBER_PIXELS = 144
PIXELS_IN_TEST = 20
strip = Neopixel(NUMBER_PIXELS, 0, 0, "GRB")
strip.brightness(10)
def off():
global NUMBER_PIXELS
for i in range(0, NUMBER_PIXELS - 1):
strip.set_pixel(i, (0, 0, 0))
strip.show()
while True:
# turn everything off for a second
off()
time.sleep(1)
for power_level in range(50, 0, -1):
print('Power Level:', power_level)
print('Current in milliamps:',
power_level * 2) # estimate at 2ma on 10% brightness
for i in range(0, power_level - 1):
strip.set_pixel(i, (255, 255, 255))
strip.show()
time.sleep(5)
off()
import time
from neopixel import Neopixel
numpix = 58
pixels = Neopixel(numpix, 0, 1, "RGB")
yellow = (255, 100, 0)
orange = (255, 50, 0)
green = (0, 255, 0)
blue = (0, 0, 255)
red = (255, 0, 0)
color0 = red
pixels.brightness(50)
pixels.fill(orange)
pixels.set_pixel_line_gradient(3, 13, green, blue)
pixels.set_pixel_line(14, 16, red)
pixels.set_pixel(20, (255, 255, 255))
while True:
if color0 == red:
color0 = yellow
color1 = red
else:
color0 = red
color1 = yellow
pixels.set_pixel(0, color0)
pixels.set_pixel(1, color1)
pixels.show()
time.sleep(0.1)
import machine, neopixel
from utime import sleep
from neopixel import Neopixel
NEOPIXEL_PIN = 0
NUMBER_PIXELS = 72
strip = Neopixel(NUMBER_PIXELS, 0, NEOPIXEL_PIN, "GRB")
left = 0
max_index = NUMBER_PIXELS - 1
step = 3
delay = .001
while True:
print('red to green')
for i in range(0, 255, step):
strip.brightness(i)
strip.set_pixel_line_gradient(0, max_index, (255, 0, 0), (0, 255, 0))
strip.show()
sleep(delay)
for i in range(255, 0, -step):
strip.brightness(i)
strip.set_pixel_line_gradient(0, max_index, (255, 0, 0), (0, 255, 0))
strip.show()
sleep(delay)
print('green to blue')
for i in range(0, 255, step):
strip.brightness(i)
strip.set_pixel_line_gradient(0, max_index, (0, 255, 0), (0, 0, 255))
strip.show()
sleep(delay)