Merge pull request #1521 from kattni/template-status-neopixel

Adding status single-NeoPixel template examples.

Author: ladyada

CircuitPython_Templates/status_led_one_neopixel_rainbow.py

@@ -0,0 +1,31 @@
+"""
+CircuitPython status NeoPixel rainbow example.
+
+Update PIXELBUF_VERSION to _pixelbuf if available for the board (this is the most common case!)
+or to adafruit_pypixelbuf where necessary (typically non-Express SAMD21 M0 boards).
+
+For example:
+If you are using a QT Py RP2040, change PIXELBUF_VERSION to _pixelbuf.
+If you are using a QT Py M0, change PIXELBUF_VERSION to adafruit_pypixelbuf.
+"""
+import time
+import board
+import neopixel
+from PIXELBUF_VERSION import colorwheel
+
+pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, auto_write=False)
+
+pixel.brightness = 0.3
+
+
+def rainbow(delay):
+    for color_value in range(255):
+        for pixels in range(1):
+            pixel_index = (pixels * 256 // 1) + color_value
+            pixel[pixels] = colorwheel(pixel_index & 255)
+        pixel.show()
+        time.sleep(delay)
+
+
+while True:
+    rainbow(0.02)

CircuitPython_Templates/status_led_one_neopixel_rgb.py

@@ -0,0 +1,16 @@
+"""CircuitPython status NeoPixel red, green, blue example."""
+import time
+import board
+import neopixel
+
+pixel = neopixel.NeoPixel(board.NEOPIXEL, 1)
+
+pixel.brightness = 0.3
+
+while True:
+    pixel.fill((255, 0, 0))
+    time.sleep(0.5)
+    pixel.fill((0, 255, 0))
+    time.sleep(0.5)
+    pixel.fill((0, 0, 255))
+    time.sleep(0.5)