diff --git a/.gitignore b/.gitignore
index 84b5fba..55873c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+
 .eggs/
 *.egg-info/
 dist
diff --git a/.pylintrc b/.pylintrc
index 8e9553a..4574fad 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+
 [MASTER]
 
 # A comma-separated list of package or module names from where C extensions may
diff --git a/.readthedocs.yml b/.readthedocs.yml
index f4243ad..ffa84c4 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+
 python:
     version: 3
 requirements_file: requirements.txt
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 134d510..8a55c07 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -1,3 +1,9 @@
+<!--
+SPDX-FileCopyrightText: 2014 Coraline Ada Ehmke
+SPDX-FileCopyrightText: 2019 Kattni Rembor for Adafruit Industries
+SPDX-License-Identifier: CC-BY-4.0
+-->
+
 # Adafruit Community Code of Conduct
 
 ## Our Pledge
@@ -43,7 +49,7 @@ Examples of unacceptable behavior by participants include:
 
 The goal of the standards and moderation guidelines outlined here is to build
 and maintain a respectful community. We ask that you don’t just aim to be
-"technically unimpeachable", but rather try to be your best self. 
+"technically unimpeachable", but rather try to be your best self.
 
 We value many things beyond technical expertise, including collaboration and
 supporting others within our community. Providing a positive experience for
@@ -74,9 +80,9 @@ You may report in the following ways:
 In any situation, you may send an email to <support@adafruit.com>.
 
 On the Adafruit Discord, you may send an open message from any channel
-to all Community Moderators by tagging @community moderators. You may 
-also send an open message from any channel, or a direct message to 
-@kattni#1507, @tannewt#4653, @Dan Halbert#1614, @cater#2442, 
+to all Community Moderators by tagging @community moderators. You may
+also send an open message from any channel, or a direct message to
+@kattni#1507, @tannewt#4653, @Dan Halbert#1614, @cater#2442,
 @sommersoft#0222, @Mr. Certainly#0472 or @Andon#8175.
 
 Email and direct message reports will be kept confidential.
diff --git a/LICENSES/CC-BY-4.0.txt b/LICENSES/CC-BY-4.0.txt
new file mode 100644
index 0000000..3f92dfc
--- /dev/null
+++ b/LICENSES/CC-BY-4.0.txt
@@ -0,0 +1,324 @@
+Creative Commons Attribution 4.0 International Creative Commons Corporation
+("Creative Commons") is not a law firm and does not provide legal services
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+
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+
+Section 7 – Other Terms and Conditions.
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+conditions communicated by You unless expressly agreed.
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+Material not stated herein are separate from and independent of the terms
+and conditions of this Public License.
+
+Section 8 – Interpretation.
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+of the Licensed Material that could lawfully be made without permission under
+this Public License.
+
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+unenforceable, it shall be automatically reformed to the minimum extent necessary
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+
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+
+Creative Commons may be contacted at creativecommons.org.
diff --git a/LICENSES/MIT.txt b/LICENSES/MIT.txt
new file mode 100644
index 0000000..204b93d
--- /dev/null
+++ b/LICENSES/MIT.txt
@@ -0,0 +1,19 @@
+MIT License Copyright (c) <year> <copyright holders>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/LICENSES/Unlicense.txt b/LICENSES/Unlicense.txt
new file mode 100644
index 0000000..24a8f90
--- /dev/null
+++ b/LICENSES/Unlicense.txt
@@ -0,0 +1,20 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or distribute
+this software, either in source code form or as a compiled binary, for any
+purpose, commercial or non-commercial, and by any means.
+
+In jurisdictions that recognize copyright laws, the author or authors of this
+software dedicate any and all copyright interest in the software to the public
+domain. We make this dedication for the benefit of the public at large and
+to the detriment of our heirs and successors. We intend this dedication to
+be an overt act of relinquishment in perpetuity of all present and future
+rights to this software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. For more information,
+please refer to <https://unlicense.org/>
diff --git a/README.rst.license b/README.rst.license
new file mode 100644
index 0000000..11cd75d
--- /dev/null
+++ b/README.rst.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
+
+SPDX-License-Identifier: MIT
diff --git a/adafruit_circuitplayground/__init__.py b/adafruit_circuitplayground/__init__.py
index b6b1112..23f1300 100755
--- a/adafruit_circuitplayground/__init__.py
+++ b/adafruit_circuitplayground/__init__.py
@@ -1,24 +1,6 @@
-# The MIT License (MIT)
+# SPDX-FileCopyrightText: 2019 Kattni Rembor for Adafruit Industries
 #
-# Copyright (c) 2019 Kattni Rembor for Adafruit Industries
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
+# SPDX-License-Identifier: MIT
 
 """Verifies which board is being used and imports the appropriate module."""
 
diff --git a/adafruit_circuitplayground/bluefruit.py b/adafruit_circuitplayground/bluefruit.py
index b48feb4..93b13e2 100755
--- a/adafruit_circuitplayground/bluefruit.py
+++ b/adafruit_circuitplayground/bluefruit.py
@@ -1,24 +1,6 @@
-# The MIT License (MIT)
+# SPDX-FileCopyrightText: 2019 Kattni Rembor for Adafruit Industries
 #
-# Copyright (c) 2019 Kattni Rembor for Adafruit Industries
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, bluefruit OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
+# SPDX-License-Identifier: MIT
 
 """
 `adafruit_circuitplayground.bluefruit`
@@ -153,7 +135,7 @@ def loud_sound(self, sound_threshold=200):
         return self.sound_level > sound_threshold
 
     def play_mp3(self, file_name):
-        """ Play a .mp3 file using the onboard speaker.
+        """Play a .mp3 file using the onboard speaker.
 
         :param file_name: The name of your .mp3 file in quotation marks including .mp3
 
diff --git a/adafruit_circuitplayground/circuit_playground_base.py b/adafruit_circuitplayground/circuit_playground_base.py
index febc396..b639473 100755
--- a/adafruit_circuitplayground/circuit_playground_base.py
+++ b/adafruit_circuitplayground/circuit_playground_base.py
@@ -1,25 +1,7 @@
-# The MIT License (MIT)
+# SPDX-FileCopyrightText: 2016 Scott Shawcroft for Adafruit Industries
+# SPDX-FileCopyrightText: 2017-2019 Kattni Rembor for Adafruit Industries
 #
-# Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
-# Copyright (c) 2017-2019 Kattni Rembor for Adafruit Industries
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
+# SPDX-License-Identifier: MIT
 
 # We have a lot of attributes for this complex library, as well as a lot of documentation.
 # pylint: disable=too-many-instance-attributes, too-many-lines
@@ -661,7 +643,7 @@ def _generate_sample(self, length=100):
         self._sine_wave_sample = audiocore.RawSample(self._sine_wave)
 
     def play_tone(self, frequency, duration):
-        """ Produce a tone using the speaker. Try changing frequency to change
+        """Produce a tone using the speaker. Try changing frequency to change
         the pitch of the tone.
 
         :param int frequency: The frequency of the tone in Hz
@@ -684,7 +666,7 @@ def play_tone(self, frequency, duration):
         self.stop_tone()
 
     def start_tone(self, frequency):
-        """ Produce a tone using the speaker. Try changing frequency to change
+        """Produce a tone using the speaker. Try changing frequency to change
         the pitch of the tone.
 
         :param int frequency: The frequency of the tone in Hz
@@ -717,7 +699,7 @@ def start_tone(self, frequency):
             self._sample.play(self._sine_wave_sample, loop=True)
 
     def stop_tone(self):
-        """ Use with start_tone to stop the tone produced.
+        """Use with start_tone to stop the tone produced.
 
         .. image :: ../docs/_static/speaker.jpg
           :alt: Onboard speaker
@@ -744,7 +726,7 @@ def stop_tone(self):
         self._speaker_enable.value = False
 
     def play_file(self, file_name):
-        """ Play a .wav file using the onboard speaker.
+        """Play a .wav file using the onboard speaker.
 
         :param file_name: The name of your .wav file in quotation marks including .wav
 
diff --git a/adafruit_circuitplayground/express.py b/adafruit_circuitplayground/express.py
index 73d0f9a..1b16c22 100755
--- a/adafruit_circuitplayground/express.py
+++ b/adafruit_circuitplayground/express.py
@@ -1,25 +1,7 @@
-# The MIT License (MIT)
+# SPDX-FileCopyrightText: 2016 Scott Shawcroft for Adafruit Industries
+# SPDX-FileCopyrightText: 2017-2019 Kattni Rembor for Adafruit Industries
 #
-# Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
-# Copyright (c) 2017-2019 Kattni Rembor for Adafruit Industries
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
+# SPDX-License-Identifier: MIT
 
 """
 `adafruit_circuitplayground.express`
@@ -57,7 +39,7 @@
 
 class Express(CircuitPlaygroundBase):
     """Represents a single CircuitPlayground Express. Do not use more than one at
-       a time."""
+    a time."""
 
     # Touch pad A7 is labeled both A7/TX on Circuit Playground Express and only TX on
     # the Circuit Playground Bluefruit. It is therefore referred to as TX in the
diff --git a/docs/_static/accelerometer.jpg.license b/docs/_static/accelerometer.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/accelerometer.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/button_a.jpg.license b/docs/_static/button_a.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/button_a.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/button_b.jpg.license b/docs/_static/button_b.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/button_b.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A1.jpg.license b/docs/_static/capacitive_touch_pad_A1.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A1.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A2.jpg.license b/docs/_static/capacitive_touch_pad_A2.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A2.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A3.jpg.license b/docs/_static/capacitive_touch_pad_A3.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A3.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A4.jpg.license b/docs/_static/capacitive_touch_pad_A4.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A4.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A5.jpg.license b/docs/_static/capacitive_touch_pad_A5.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A5.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A6.jpg.license b/docs/_static/capacitive_touch_pad_A6.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A6.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pad_A7.jpg.license b/docs/_static/capacitive_touch_pad_A7.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pad_A7.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/capacitive_touch_pads.jpg.license b/docs/_static/capacitive_touch_pads.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/capacitive_touch_pads.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/circuit_playground_bluefruit.jpg.license b/docs/_static/circuit_playground_bluefruit.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/circuit_playground_bluefruit.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/circuit_playground_bluefruit_small.jpg.license b/docs/_static/circuit_playground_bluefruit_small.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/circuit_playground_bluefruit_small.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/circuit_playground_express_small.jpg.license b/docs/_static/circuit_playground_express_small.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/circuit_playground_express_small.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/circuitplayground_express.jpg.license b/docs/_static/circuitplayground_express.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/circuitplayground_express.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/favicon.ico.license b/docs/_static/favicon.ico.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/favicon.ico.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/light_sensor.jpg.license b/docs/_static/light_sensor.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/light_sensor.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/microphone.jpg.license b/docs/_static/microphone.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/microphone.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/neopixel_numbering.jpg.license b/docs/_static/neopixel_numbering.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/neopixel_numbering.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/red_led.jpg.license b/docs/_static/red_led.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/red_led.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/slide_switch.jpg.license b/docs/_static/slide_switch.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/slide_switch.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/speaker.jpg.license b/docs/_static/speaker.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/speaker.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/_static/thermistor.jpg.license b/docs/_static/thermistor.jpg.license
new file mode 100644
index 0000000..86a3fbf
--- /dev/null
+++ b/docs/_static/thermistor.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
+
+SPDX-License-Identifier: CC-BY-4.0
diff --git a/docs/api.rst.license b/docs/api.rst.license
new file mode 100644
index 0000000..9aae48d
--- /dev/null
+++ b/docs/api.rst.license
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2020 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
diff --git a/docs/conf.py b/docs/conf.py
index 5f84980..f1c70d4 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,5 +1,9 @@
 # -*- coding: utf-8 -*-
 
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
 import os
 import sys
 
diff --git a/docs/examples.rst.license b/docs/examples.rst.license
new file mode 100644
index 0000000..9aae48d
--- /dev/null
+++ b/docs/examples.rst.license
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2020 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
diff --git a/docs/index.rst.license b/docs/index.rst.license
new file mode 100644
index 0000000..9aae48d
--- /dev/null
+++ b/docs/index.rst.license
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2020 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
diff --git a/examples/advanced_examples/circuitplayground_acceleration_mapping_neopixels.py b/examples/advanced_examples/circuitplayground_acceleration_mapping_neopixels.py
index db47087..bb32bf6 100644
--- a/examples/advanced_examples/circuitplayground_acceleration_mapping_neopixels.py
+++ b/examples/advanced_examples/circuitplayground_acceleration_mapping_neopixels.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """Maps acceleration (tilt) to Neopixel colors.
 
 x, y, and z acceleration components map to red, green and blue,
diff --git a/examples/advanced_examples/circuitplayground_gravity_pulls_pixel.py b/examples/advanced_examples/circuitplayground_gravity_pulls_pixel.py
index 6a07598..357dda9 100644
--- a/examples/advanced_examples/circuitplayground_gravity_pulls_pixel.py
+++ b/examples/advanced_examples/circuitplayground_gravity_pulls_pixel.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """Gravity Pulls Pixel
 
 This program uses the Circuit Playground's accelerometer to position
diff --git a/examples/advanced_examples/circuitplayground_tilting_arpeggios.py b/examples/advanced_examples/circuitplayground_tilting_arpeggios.py
index 178b82c..71fbfd8 100644
--- a/examples/advanced_examples/circuitplayground_tilting_arpeggios.py
+++ b/examples/advanced_examples/circuitplayground_tilting_arpeggios.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """Tilting Arpeggios
 
 This program plays notes from arpeggios in a circle of fourths. Y-axis tilt chooses the note.
diff --git a/examples/circuitplayground_acceleration.py b/examples/circuitplayground_acceleration.py
index 6b3d618..839d945 100644
--- a/examples/circuitplayground_acceleration.py
+++ b/examples/circuitplayground_acceleration.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example uses the accelerometer on the Circuit Playground. It prints the values. Try moving
 the board to see the values change. If you're using Mu, open the plotter to see the values plotted.
diff --git a/examples/circuitplayground_acceleration_neopixels.py b/examples/circuitplayground_acceleration_neopixels.py
index ddcb071..d0efcf8 100644
--- a/examples/circuitplayground_acceleration_neopixels.py
+++ b/examples/circuitplayground_acceleration_neopixels.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """If the switch is to the right, it will appear that nothing is happening. Move the switch to the
 left to see the NeoPixels light up in colors related to the accelerometer! The Circuit Playground
 has an accelerometer in the center that returns (x, y, z) acceleration values. This program uses
diff --git a/examples/circuitplayground_bluefruit_loud_sound.py b/examples/circuitplayground_bluefruit_loud_sound.py
index 198f3be..20ea3b7 100644
--- a/examples/circuitplayground_bluefruit_loud_sound.py
+++ b/examples/circuitplayground_bluefruit_loud_sound.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example lights up the NeoPixels on a Circuit Playground Bluefruit in response to a loud sound.
 Try snapping or clapping near the board to trigger the LEDs.
diff --git a/examples/circuitplayground_bluefruit_loud_sound_threshold.py b/examples/circuitplayground_bluefruit_loud_sound_threshold.py
index e982f87..81e882a 100644
--- a/examples/circuitplayground_bluefruit_loud_sound_threshold.py
+++ b/examples/circuitplayground_bluefruit_loud_sound_threshold.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example lights up the NeoPixels on a Circuit Playground Bluefruit in response to a loud sound.
 Try snapping or clapping near the board to trigger the LEDs.
diff --git a/examples/circuitplayground_bluefruit_play_mp3.py b/examples/circuitplayground_bluefruit_play_mp3.py
index eccfb94..369fa69 100644
--- a/examples/circuitplayground_bluefruit_play_mp3.py
+++ b/examples/circuitplayground_bluefruit_play_mp3.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example plays mp3 audio files from the built-in speaker when the A or B buttons are pressed.
 
diff --git a/examples/circuitplayground_bluefruit_sound_level.py b/examples/circuitplayground_bluefruit_sound_level.py
index d12d992..280487a 100644
--- a/examples/circuitplayground_bluefruit_sound_level.py
+++ b/examples/circuitplayground_bluefruit_sound_level.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example prints out sound levels using the sound sensor on a Circuit Playground Bluefruit.
 Try making sounds towards the board to see the values change.
diff --git a/examples/circuitplayground_bluefruit_sound_level_plotter.py b/examples/circuitplayground_bluefruit_sound_level_plotter.py
index d3d1e08..eb21ec7 100644
--- a/examples/circuitplayground_bluefruit_sound_level_plotter.py
+++ b/examples/circuitplayground_bluefruit_sound_level_plotter.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example prints out sound levels using the sound sensor on a Circuit Playground Bluefruit. If
 you are using Mu, open the plotter to see the sound level plotted. Try making sounds towards the
diff --git a/examples/circuitplayground_button_a.py b/examples/circuitplayground_button_a.py
index 6e7e703..f12cf25 100644
--- a/examples/circuitplayground_button_a.py
+++ b/examples/circuitplayground_button_a.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example turns on the little red LED when button A is pressed."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_button_b.py b/examples/circuitplayground_button_b.py
index d70cabe..2efab1c 100644
--- a/examples/circuitplayground_button_b.py
+++ b/examples/circuitplayground_button_b.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example turns the little red LED on only while button B is currently being pressed."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_buttons_1_neopixel.py b/examples/circuitplayground_buttons_1_neopixel.py
index 957e538..26a6108 100644
--- a/examples/circuitplayground_buttons_1_neopixel.py
+++ b/examples/circuitplayground_buttons_1_neopixel.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example lights up the third NeoPixel while button A is being pressed, and lights up the
 eighth NeoPixel while button B is being pressed."""
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_buttons_neopixels.py b/examples/circuitplayground_buttons_neopixels.py
index b50e4c9..d633186 100644
--- a/examples/circuitplayground_buttons_neopixels.py
+++ b/examples/circuitplayground_buttons_neopixels.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example lights up half the NeoPixels red while button A is being pressed, and half the
 NeoPixels green while button B is being pressed."""
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_ir_receive.py b/examples/circuitplayground_ir_receive.py
index bcac5dd..eb75d0f 100644
--- a/examples/circuitplayground_ir_receive.py
+++ b/examples/circuitplayground_ir_receive.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """THIS EXAMPLE REQUIRES A SEPARATE LIBRARY BE LOADED ONTO YOUR CIRCUITPY DRIVE.
 This example requires the adafruit_irremote.mpy library.
 
@@ -14,10 +17,10 @@
 # Create a 'pulseio' input, to listen to infrared signals on the IR receiver
 try:
     pulsein = pulseio.PulseIn(board.IR_RX, maxlen=120, idle_state=True)
-except AttributeError:
+except AttributeError as err:
     raise NotImplementedError(
         "This example does not work with Circuit Playground Bluefruti!"
-    )
+    ) from err
 # Create a decoder that will take pulses and turn them into numbers
 decoder = adafruit_irremote.GenericDecode()
 
diff --git a/examples/circuitplayground_ir_transmit.py b/examples/circuitplayground_ir_transmit.py
index cc9fa02..161c751 100644
--- a/examples/circuitplayground_ir_transmit.py
+++ b/examples/circuitplayground_ir_transmit.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """THIS EXAMPLE REQUIRES A SEPARATE LIBRARY BE LOADED ONTO YOUR CIRCUITPY DRIVE.
 This example requires the adafruit_irremote.mpy library.
 
@@ -15,10 +18,10 @@
 # Create a 'pulseio' output, to send infrared signals from the IR transmitter
 try:
     pwm = pulseio.PWMOut(board.IR_TX, frequency=38000, duty_cycle=2 ** 15)
-except AttributeError:
+except AttributeError as err:
     raise NotImplementedError(
         "This example does not work with Circuit Playground Bluefruit!"
-    )
+    ) from err
 pulseout = pulseio.PulseOut(pwm)  # pylint: disable=no-member
 # Create an encoder that will take numbers and turn them into NEC IR pulses
 encoder = adafruit_irremote.GenericTransmit(
diff --git a/examples/circuitplayground_light.py b/examples/circuitplayground_light.py
index 35787d7..e626b35 100644
--- a/examples/circuitplayground_light.py
+++ b/examples/circuitplayground_light.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the light sensor on your Circuit Playground, located next to the picture of
 the eye. Try shining a flashlight on your Circuit Playground, or covering the light sensor with
 your finger to see the values increase and decrease."""
diff --git a/examples/circuitplayground_light_neopixels.py b/examples/circuitplayground_light_neopixels.py
index 68b9edf..d2f9f7f 100644
--- a/examples/circuitplayground_light_neopixels.py
+++ b/examples/circuitplayground_light_neopixels.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example uses the light sensor on the Circuit Playground, located next to the picture of the
 eye on the board. Once you have the library loaded, try shining a flashlight on your Circuit
diff --git a/examples/circuitplayground_light_plotter.py b/examples/circuitplayground_light_plotter.py
index 3178928..920d95a 100644
--- a/examples/circuitplayground_light_plotter.py
+++ b/examples/circuitplayground_light_plotter.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """If you're using Mu, this example will plot the light levels from the light sensor (located next
 to the eye) on your Circuit Playground. Try shining a flashlight on your Circuit Playground, or
 covering the light sensor to see the plot increase and decrease."""
diff --git a/examples/circuitplayground_neopixel_0.py b/examples/circuitplayground_neopixel_0.py
index 2b2e8f1..ae16b93 100644
--- a/examples/circuitplayground_neopixel_0.py
+++ b/examples/circuitplayground_neopixel_0.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example lights up the first NeoPixel red."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_neopixel_0_1.py b/examples/circuitplayground_neopixel_0_1.py
index cc01d7b..77ed331 100644
--- a/examples/circuitplayground_neopixel_0_1.py
+++ b/examples/circuitplayground_neopixel_0_1.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example lights up the first and second NeoPixel, red and blue respectively."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_neopixels_fill.py b/examples/circuitplayground_neopixels_fill.py
index 640cf94..fce738d 100644
--- a/examples/circuitplayground_neopixels_fill.py
+++ b/examples/circuitplayground_neopixels_fill.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example lights up all the NeoPixel LEDs red."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_pixels_simpletest.py b/examples/circuitplayground_pixels_simpletest.py
index db11678..f3c8f69 100644
--- a/examples/circuitplayground_pixels_simpletest.py
+++ b/examples/circuitplayground_pixels_simpletest.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example lights up the NeoPixels with a rainbow swirl."""
 import time
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_play_file.py b/examples/circuitplayground_play_file.py
index dacced5..2ffe480 100644
--- a/examples/circuitplayground_play_file.py
+++ b/examples/circuitplayground_play_file.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """THIS EXAMPLE REQUIRES A WAV FILE FROM THE examples FOLDER IN THE
 Adafruit_CircuitPython_CircuitPlayground REPO found at:
 https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground/tree/master/examples
diff --git a/examples/circuitplayground_play_file_buttons.py b/examples/circuitplayground_play_file_buttons.py
index 2283b21..f5efae0 100644
--- a/examples/circuitplayground_play_file_buttons.py
+++ b/examples/circuitplayground_play_file_buttons.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """THIS EXAMPLE REQUIRES A WAV FILE FROM THE examples FOLDER IN THE
 Adafruit_CircuitPython_CircuitPlayground REPO found at:
 https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground/tree/master/examples
diff --git a/examples/circuitplayground_play_tone.py b/examples/circuitplayground_play_tone.py
index e72ccdf..855ebe1 100644
--- a/examples/circuitplayground_play_tone.py
+++ b/examples/circuitplayground_play_tone.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example plays two tones for 1 second each. Note that the tones are not in a loop - this is
 to prevent them from playing indefinitely!"""
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_play_tone_buttons.py b/examples/circuitplayground_play_tone_buttons.py
index 5e0d571..3b29037 100644
--- a/examples/circuitplayground_play_tone_buttons.py
+++ b/examples/circuitplayground_play_tone_buttons.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example plays a different tone for a duration of 1 second for each button pressed."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_red_led.py b/examples/circuitplayground_red_led.py
index e703511..d0594dd 100644
--- a/examples/circuitplayground_red_led.py
+++ b/examples/circuitplayground_red_led.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example turns on the little red LED."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_red_led_blinky.py b/examples/circuitplayground_red_led_blinky.py
index b8cdc40..114a59f 100644
--- a/examples/circuitplayground_red_led_blinky.py
+++ b/examples/circuitplayground_red_led_blinky.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This is the "Hello, world!" of CircuitPython: Blinky! This example blinks the little red LED on
 and off!"""
 import time
diff --git a/examples/circuitplayground_red_led_blnky_short.py b/examples/circuitplayground_red_led_blnky_short.py
index f996536..d8af7bf 100644
--- a/examples/circuitplayground_red_led_blnky_short.py
+++ b/examples/circuitplayground_red_led_blnky_short.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This is the "Hello, world!" of CircuitPython: Blinky! This example blinks the little red LED on
 and off! It's a shorter version of the other Blinky example."""
 import time
diff --git a/examples/circuitplayground_shake.py b/examples/circuitplayground_shake.py
index 984f441..e2971e1 100644
--- a/examples/circuitplayground_shake.py
+++ b/examples/circuitplayground_shake.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example prints to the serial console when the Circuit Playground is shaken."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_shake_red_led.py b/examples/circuitplayground_shake_red_led.py
index 7399680..d82818a 100644
--- a/examples/circuitplayground_shake_red_led.py
+++ b/examples/circuitplayground_shake_red_led.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example flashes the little red LED when the Circuit Playground is shaken."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_slide_switch.py b/examples/circuitplayground_slide_switch.py
index a2de767..3531a1c 100644
--- a/examples/circuitplayground_slide_switch.py
+++ b/examples/circuitplayground_slide_switch.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example prints the status of the slide switch. Try moving the switch back and forth to see
 what's printed to the serial console!"""
 import time
diff --git a/examples/circuitplayground_slide_switch_red_led.py b/examples/circuitplayground_slide_switch_red_led.py
index 03f5892..8e50a04 100644
--- a/examples/circuitplayground_slide_switch_red_led.py
+++ b/examples/circuitplayground_slide_switch_red_led.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the slide switch to control the little red LED."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_slide_switch_red_led_short.py b/examples/circuitplayground_slide_switch_red_led_short.py
index 9c06cbc..52666dd 100644
--- a/examples/circuitplayground_slide_switch_red_led_short.py
+++ b/examples/circuitplayground_slide_switch_red_led_short.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the slide switch to control the little red LED. When the switch is to the
 right it returns False, and when it's to the left, it returns True."""
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_sound_meter.py b/examples/circuitplayground_sound_meter.py
index e2736b5..2567d8d 100644
--- a/examples/circuitplayground_sound_meter.py
+++ b/examples/circuitplayground_sound_meter.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the sound sensor, located next to the picture of the ear on your board, to
 light up the NeoPixels as a sound meter. Try talking to your Circuit Playground or clapping, etc,
 to see the NeoPixels light up!"""
diff --git a/examples/circuitplayground_tap_red_led.py b/examples/circuitplayground_tap_red_led.py
index 04d129e..d51185d 100644
--- a/examples/circuitplayground_tap_red_led.py
+++ b/examples/circuitplayground_tap_red_led.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example turns on the little red LED and prints to the serial console when you double-tap
 the Circuit Playground!"""
 import time
diff --git a/examples/circuitplayground_tapdetect.py b/examples/circuitplayground_tapdetect.py
index e32aa39..bc03909 100644
--- a/examples/circuitplayground_tapdetect.py
+++ b/examples/circuitplayground_tapdetect.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example prints to the serial console when the board is double-tapped."""
 import time
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_tapdetect_single_double.py b/examples/circuitplayground_tapdetect_single_double.py
index c1da0bd..63e6994 100644
--- a/examples/circuitplayground_tapdetect_single_double.py
+++ b/examples/circuitplayground_tapdetect_single_double.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example shows how you can use single-tap and double-tap together with a delay between.
 Single-tap the board twice and then double-tap the board twice to complete the program."""
 from adafruit_circuitplayground import cp
diff --git a/examples/circuitplayground_temperature.py b/examples/circuitplayground_temperature.py
index e9b083a..ec5c945 100644
--- a/examples/circuitplayground_temperature.py
+++ b/examples/circuitplayground_temperature.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the temperature sensor on the Circuit Playground, located next to the image of
 a thermometer on the board. It prints the temperature in both C and F to the serial console. Try
 putting your finger over the sensor to see the numbers change!"""
diff --git a/examples/circuitplayground_temperature_neopixels.py b/examples/circuitplayground_temperature_neopixels.py
index aa8a9c7..6f219ae 100644
--- a/examples/circuitplayground_temperature_neopixels.py
+++ b/examples/circuitplayground_temperature_neopixels.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """
 This example use the temperature sensor on the Circuit Playground, located next to the picture of
 the thermometer on the board. Try warming up the board to watch the number of NeoPixels lit up
diff --git a/examples/circuitplayground_temperature_plotter.py b/examples/circuitplayground_temperature_plotter.py
index 3d52c01..edb1627 100644
--- a/examples/circuitplayground_temperature_plotter.py
+++ b/examples/circuitplayground_temperature_plotter.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """If you're using Mu, this example will plot the temperature in C and F on the plotter! Click
 "Plotter" to open it, and place your finger over the sensor to see the numbers change. The
 sensor is located next to the picture of the thermometer on the CPX."""
diff --git a/examples/circuitplayground_tone.py b/examples/circuitplayground_tone.py
index 7390e04..97b6030 100644
--- a/examples/circuitplayground_tone.py
+++ b/examples/circuitplayground_tone.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example plays a different tone for each button, while the button is pressed."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_touch_a1.py b/examples/circuitplayground_touch_a1.py
index 73535ab..b026e04 100644
--- a/examples/circuitplayground_touch_a1.py
+++ b/examples/circuitplayground_touch_a1.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example prints to the serial console when you touch capacitive touch pad A1."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_touch_all.py b/examples/circuitplayground_touch_all.py
index 7963151..a8a3b3f 100644
--- a/examples/circuitplayground_touch_all.py
+++ b/examples/circuitplayground_touch_all.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example prints to the serial console when you touch the capacitive touch pads."""
 from adafruit_circuitplayground import cp
 
diff --git a/examples/circuitplayground_touch_pixel_fill_rainbow.py b/examples/circuitplayground_touch_pixel_fill_rainbow.py
index 667a688..cef84ce 100644
--- a/examples/circuitplayground_touch_pixel_fill_rainbow.py
+++ b/examples/circuitplayground_touch_pixel_fill_rainbow.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the capacitive touch pads on the Circuit Playground. They are located around
 the outer edge of the board and are labeled A1-A6 and TX. (A0 is not a touch pad.) This example
 lights up all the NeoPixels a different color of the rainbow for each pad touched!"""
diff --git a/examples/circuitplayground_touch_pixel_rainbow.py b/examples/circuitplayground_touch_pixel_rainbow.py
index 276a5f7..daeb003 100644
--- a/examples/circuitplayground_touch_pixel_rainbow.py
+++ b/examples/circuitplayground_touch_pixel_rainbow.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
 """This example uses the capacitive touch pads on the Circuit Playground. They are located around
 the outer edge of the board and are labeled A1-A6 and TX. (A0 is not a touch pad.) This example
 lights up the nearest NeoPixel to that pad a different color of the rainbow!"""
diff --git a/examples/dip.mp3.license b/examples/dip.mp3.license
new file mode 100644
index 0000000..a784acf
--- /dev/null
+++ b/examples/dip.mp3.license
@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
diff --git a/examples/dip.wav.license b/examples/dip.wav.license
new file mode 100644
index 0000000..a784acf
--- /dev/null
+++ b/examples/dip.wav.license
@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
diff --git a/examples/rise.mp3.license b/examples/rise.mp3.license
new file mode 100644
index 0000000..a784acf
--- /dev/null
+++ b/examples/rise.mp3.license
@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
diff --git a/examples/rise.wav.license b/examples/rise.wav.license
new file mode 100644
index 0000000..a784acf
--- /dev/null
+++ b/examples/rise.wav.license
@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
diff --git a/requirements.txt b/requirements.txt
index 8b13789..e69de29 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +0,0 @@
-
diff --git a/setup.py.disabled b/setup.py.disabled
index a80b9bf..78b5cc4 100644
--- a/setup.py.disabled
+++ b/setup.py.disabled
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
 """
 This library is not deployed to PyPI. It is either a board-specific helper library, or
 does not make sense for use on or is incompatible with single board computers and Linux.