led test is running

led_test.py

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+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+# Simple test for NeoPixels on Raspberry Pi
+import time
+import board
+import neopixel
+
+
+# Choose an open pin connected to the Data In of the NeoPixel strip, i.e. board.D18
+# NeoPixels must be connected to D10, D12, D18 or D21 to work.
+pixel_pin = board.D18
+
+# The number of NeoPixels
+num_pixels = 5
+
+# The order of the pixel colors - RGB or GRB. Some NeoPixels have red and green reversed!
+# For RGBW NeoPixels, simply change the ORDER to RGBW or GRBW.
+ORDER = neopixel.GRB
+
+pixels = neopixel.NeoPixel(
+    pixel_pin, num_pixels, brightness=0.2, auto_write=False, pixel_order=ORDER
+)
+
+pixels.fill((0,255,0))