CheerLights MicroPython client for the Pimoroni Galactic Unicorn. You will need the secrets file with your network details, in the same folder as cheerlights.py to run on start rename cheerlights.py to main.py

cheerlights.py

# cheerlights
from time import sleep
from galactic import GalacticUnicorn
from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN as DISPLAY

# setup graphics

gu = GalacticUnicorn()
graphics = PicoGraphics(DISPLAY)

width = GalacticUnicorn.WIDTH
height = GalacticUnicorn.HEIGHT

# fill display

def draw(colour):
    
    for x in range(width):
        
        for y in range(height):
            graphics.set_pen(colour)
            graphics.pixel(x, y)

    gu.update(graphics)


#setup network connection

import network

try:
    from secrets import WIFI_SSID, WIFI_PASS
except ImportError:
    WIFI_SSID = None
    WIFI_PASS = None

wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(WIFI_SSID, WIFI_PASS)

# Wait for connect or fail
max_wait = 10
while max_wait > 0:
 if wlan.status() < 0 or wlan.status() >= 3:
   break
 max_wait -= 1
 print('waiting for connection...')
 sleep(1)

# Handle connection error
if wlan.status() != 3:
  raise RuntimeError('network connection failed')
else:
  print('connected')
  status = wlan.ifconfig()
  print( f'ip = {status[0]}' )


# cheerlights

# cheerlights colours

colours = {b'red': graphics.create_pen(0xff, 0x00, 0x00), b'green': graphics.create_pen(0x00, 0x80, 0x00), b'blue': graphics.create_pen(0x00, 0x00, 0xff),
           b'cyan': graphics.create_pen(0x00, 0xff, 0xff), b'white': graphics.create_pen(0xff, 0xff, 0xff), b'oldlace': graphics.create_pen(0xfd, 0xf5, 0xe6),
           b'purple': graphics.create_pen(0x80, 0x00, 0x80), b'magenta': graphics.create_pen(0xff, 0x00, 0xff), b'yellow': graphics.create_pen(0xff, 0xff, 0x00),
           b'orange': graphics.create_pen(0xff, 0xa5, 0x00), b'pink':graphics.create_pen(0xff, 0xc0, 0xcb)}

# get request

import urequests

while True:
  
    r = urequests.get('http://api.thingspeak.com/channels/1417/field/1/last.txt')
    print(f'Colour: {r.content}')
    if r.content in colours:
      draw(colours[r.content])

    r.close()
    sleep(15)

secrets.py

WIFI_SSID = "name"
WIFI_PASS = "password"