1  # SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  """
 6  NeoPixel brightness proximity example. Increases the brightness of the NeoPixels as you move closer
 7  to the proximity sensor.
 8  """
 9  import time
10  import board
11  import neopixel
12  from adafruit_apds9960.apds9960 import APDS9960
13  
14  apds = APDS9960(board.I2C())
15  pixels = neopixel.NeoPixel(board.NEOPIXEL, 2)
16  
17  apds.enable_proximity = True
18  
19  
20  def proximity_to_brightness(value):
21      """Maps the proximity values (0 - 255) to the brightness values (0.0 - 1.0)"""
22      return value / 255 * 1.0
23  
24  
25  pixels.fill((255, 0, 0))
26  
27  while True:
28      print(apds.proximity)
29      pixels.brightness = proximity_to_brightness(apds.proximity)
30      time.sleep(0.2)