Create cheer-lights.py

CheerLights MicroPython client. 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

micropython/examples/galactic_unicorn/cheer-lights.py

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+# 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)