NeoPixel headlight submission

Adding cad files, code and circuit diagram

NeoPixel_Headlight/code.py

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+import time
+import board
+import pulseio
+import simpleio
+from digitalio import DigitalInOut, Direction, Pull
+import adafruit_fancyled.adafruit_fancyled as fancy
+import neopixel
+
+NEOPIXEL_PIN = board.D6
+NEOPIXEL_NUM = 31
+pixels = neopixel.NeoPixel(NEOPIXEL_PIN, NEOPIXEL_NUM, auto_write=False)
+
+# Since its common anode, 'off' is max duty cycle
+red_led = pulseio.PWMOut(board.D9, frequency=5000, duty_cycle=65535)
+green_led = pulseio.PWMOut(board.D10, frequency=5000, duty_cycle=65535)
+blue_led = pulseio.PWMOut(board.D11, frequency=5000, duty_cycle=65535)
+
+switch = DigitalInOut(board.D12)
+switch.direction = Direction.INPUT
+switch.pull = Pull.UP 
+
+colorways = [fancy.CRGB(1.0, 1.0, 1.0), # White
+             fancy.CRGB(1.0, 0.0, 0.0), # Red
+             fancy.CRGB(0.5, 0.5, 0.0), # Yellow
+             fancy.CRGB(0.0, 1.0, 0.0), # Green
+             fancy.CRGB(0.0, 0.5, 0.5), # Cyan
+             fancy.CRGB(0.0, 0.0, 1.0), # Blue
+             fancy.CRGB(0.5, 0.0, 0.5), # Magenta
+            # you can also make lists of colors to cycle through, like red/green/blue:
+            [fancy.CRGB(1.0, 0.0, 0.0), fancy.CRGB(0.0, 1.0, 0.0), fancy.CRGB(0.0, 0.0, 1.0)],
+            # or just white/blue
+            [fancy.CRGB(1.0, 1.0, 1.0), fancy.CRGB(0.0, 0.0, 1.0)],
+             ]
+color_index = 0
+
+def set_rgb_led(color):
+    # convert from 0-255 (neopixel range) to 65535-0 (pwm range)
+    red_led.duty_cycle = int(simpleio.map_range(color[0], 0, 255, 65535, 0))
+    green_led.duty_cycle = int(simpleio.map_range(color[1], 0, 255, 65535, 0))
+    blue_led.duty_cycle = int(simpleio.map_range(color[2], 0, 255, 65535, 0))
+
+while True:
+    colorway = colorways[color_index]
+    if not isinstance(colorway, list):
+        print("Setting pixels to RGB", colorway)
+        pixels.fill(colorway.pack())
+        pixels.show()
+        set_rgb_led(pixels[0])    # set RGB LED as same as first pixel
+        
+    else:
+        # its a list of colors to cycle through
+        print("Setting pixels to a pallete of", colorway)
+        swirl = 0  # we'll swirl through the colors in the color way
+        while switch.value:                     # button pressed? quit!
+            for i in range(NEOPIXEL_NUM):
+                # the index into the palette is from 0 to 1.0 and uses the pixels
+                # number and the swirl number to take us through the whole thing!
+                pallete_index = ((swirl+i) % NEOPIXEL_NUM) / NEOPIXEL_NUM
+                # Then look up the color in the pallete
+                color = fancy.palette_lookup(colorway, pallete_index)
+                # display it!
+                pixels[i] = color.pack()
+                # check button often
+                if not switch.value:  
+                    break             # if its pressed, quit now
+            pixels.show()             # show the pixels!
+            set_rgb_led(pixels[0])    # set RGB LED as same as first pixel
+            swirl += 1                # never stop swirlin!
+        print('Done with pallete display')
+
+    while switch.value:
+        pass # hang out and wait for the button to be pressed
+    while not switch.value:
+        pass # hang out and wait for the button to be released!
+    print("Button pressed")
+    # go to the next colorway
+    color_index = (color_index + 1) % len(colorways)
+    # a little debouncin' delay
+    time.sleep(0.01)