diff --git a/.gitignore b/.gitignore
index ffc8aa3..98e392e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,9 @@
 
 # nix flake
 /.direnv
+
+# vendored libs
+# TODO: script out retrieval of these?
+/requirements
+/lib
+/examples
diff --git a/code.py b/code.py
index b821b4e..b2f423c 100644
--- a/code.py
+++ b/code.py
@@ -1,4 +1,127 @@
-from adafruit_datetime import datetime, date, time
+# import rtc
+# import time
+# import board
+# import digitalio
+# import time
+# import neopixel
+
+# from adafruit_datetime import datetime
+
+# from board import *
+# import time
+
+# pixels = neopixel.NeoPixel(NEOPIXEL, 12)
+# RED = 0x100000
+# while True:
+#     for i in range(len(pixels)):
+#         pixels[i] = RED
+
+# tz = "America/Chicago"
+# rtc.datetime = time.struct_time((2017, 10, 29, 15, 14, 15, 0, -1, -1))
+# TODO: for proper datetime reporting, may need to regularly be updated with tzdata?
+
+# TODO: set all LEDs (neopixels?) to off (board.NEOPIXEL, board.LED)
+# TODO: clear OLED (sh1106)
+# TODO: mute speaker (board.SPEAKER)
+# TODO: update clock every half-second or so (for blinking colon?)
+# TODO: check out the repl over the serial console! (^C)
+    # then try help() and help("modules")
+    # import board; dir(board)
+
+# print("Hello, Mom!")
+# print("Cur datetime:", datetime.now())
+# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""Keypad and rotary encoder example for Adafruit MacroPad"""
+import board
+import digitalio
+import rotaryio
+import neopixel
+import keypad
+import random
+import math
+import displayio
+import array
+import time
+
+try:
+    from audiocore import RawSample
+except ImportError:
+    from audioio import RawSample
+
+try:
+    from audioio import AudioOut
+except ImportError:
+    try:
+        from audiopwmio import PWMAudioOut as AudioOut
+    except ImportError:
+        pass  # not always supported by every board!
+
+# palette = displayio.Palette(3)
+# palette[0] = 0x000000
+# palette[1] = 0x888888
+# palette[2] = 0xFFFFFF
+
+# bitmap = displayio.Bitmap(128, 64, 3)
+# bitmap[23, 42] = 2
+
+speaker_enable = digitalio.DigitalInOut(board.SPEAKER_ENABLE)
+speaker_enable.direction = digitalio.Direction.OUTPUT
+speaker_enable.value = False
+
+wave_freqs = [440 + (x * 2) for x in range(13)]
+waves = []
+wave_samples = []
+SAMPLERATE = 8000
+
+for i in range(len(wave_freqs)):
+    length = int(SAMPLERATE // wave_freqs[i])
+    waves.append(array.array("H", [0] * length))
+    print(wave_freqs[i], length)
+    for j in range(length):
+        waves[i][j] = int(math.sin(math.pi * 2 * j / length) * (2 ** 15) + 2 ** 15)
+    wave_samples.append(RawSample(waves[i]))
+
+audio = AudioOut(board.SPEAKER)
+
+# A single sine wave sample is hundredths of a second long. If you set loop=False, it will play
+# a single instance of the sample (a quick burst of sound) and then silence for the rest of the
+# duration of the time.sleep(). If loop=True, it will play the single instance of the sample
+# continuously for the duration of the time.sleep().
+
+from rainbowio import colorwheel
+key_pins = (board.KEY1, board.KEY2, board.KEY3, board.KEY4, board.KEY5, board.KEY6, board.KEY7, board.KEY8, board.KEY9, board.KEY10, board.KEY11, board.KEY12)
+keys = keypad.Keys(key_pins, value_when_pressed=False, pull=True)
+encoder = rotaryio.IncrementalEncoder(board.ROTA, board.ROTB)
+button = digitalio.DigitalInOut(board.BUTTON)
+button.switch_to_input(pull=digitalio.Pull.UP)
+pixels = neopixel.NeoPixel(board.NEOPIXEL, 12, brightness=1.0)
+for n in range(len(pixels)):
+    pixels[n] = 0x101010
+init = random.randrange(0, 255)
+last_position = 0
+color_value = (init + (last_position * 6)) % 255
+pixels[4] = colorwheel(color_value)
+while True:
+    if not button.value:
+        pixels.brightness = 0.0
+        for i in range(len(pixels)):
+            pixels[i] = 0x000000
+    else:
+        pixels.brightness = 1.0
+    position = encoder.position
+    if position != last_position:
+        print("Rotary:", position)
+    last_position = position
+    color_value = (init + (last_position * 6)) % 255
+    event = keys.events.get()
+    if event:
+        print(event)
+        if event.pressed:
+            pixels[event.key_number] = colorwheel(color_value)
+            audio.play(wave_samples[event.key_number], loop=True)  # Play the single sine_wave sample continuously...
+        else:
+            audio.stop()  # and then stop.
+            # pixels[event.key_number] = 0
 
-print("Hello, Mom!")
-print("Cur datetime:", datetime.now())
diff --git a/flake.lock b/flake.lock
index 51d80fa..ea9a5c5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,62 +1,5 @@
 {
   "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1694529238,
-        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1694529238,
-        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "poetry2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1698974481,
-        "narHash": "sha256-yPncV9Ohdz1zPZxYHQf47S8S0VrnhV7nNhCawY46hDA=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "4bb5e752616262457bc7ca5882192a564c0472d2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1700794826,
@@ -73,100 +16,9 @@
         "type": "github"
       }
     },
-    "poetry2nix": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nix-github-actions": "nix-github-actions",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": "systems_3",
-        "treefmt-nix": "treefmt-nix"
-      },
-      "locked": {
-        "lastModified": 1700890240,
-        "narHash": "sha256-AKbWnuDzDuXaYSXHXSj0Sa1DSmUm1KaFNJhf2MEhoS0=",
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "rev": "674fc0ef18bb62f3aea7684e09f20046a3cdfedf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "poetry2nix": "poetry2nix"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "id": "systems",
-        "type": "indirect"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "poetry2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1699786194,
-        "narHash": "sha256-3h3EH1FXQkIeAuzaWB+nK0XK54uSD46pp+dMD3gAcB4=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "e82f32aa7f06bbbd56d7b12186d555223dc399d1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
+        "nixpkgs": "nixpkgs"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 4412137..14c9263 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,34 +1,16 @@
 {
-  description = "Application packaged using poetry2nix";
-
-  inputs = {
-    flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    poetry2nix = {
-      url = "github:nix-community/poetry2nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-  };
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
   outputs = {
     self,
     nixpkgs,
-    flake-utils,
-    poetry2nix,
-  }:
-    flake-utils.lib.eachDefaultSystem (system: let
-      # see https://github.com/nix-community/poetry2nix/tree/master#api for more functions and examples.
-      pkgs = nixpkgs.legacyPackages.${system};
-      inherit (poetry2nix.lib.mkPoetry2Nix {inherit pkgs;}) mkPoetryApplication;
-    in {
-      packages = {
-        myapp = mkPoetryApplication {projectDir = self;};
-        default = self.packages.${system}.myapp;
-      };
-
-      devShells.default = pkgs.mkShell {
-        inputsFrom = [self.packages.${system}.myapp];
-        packages = with pkgs; [poetry] ++ (with pkgs.python311Packages; [python-lsp-server]);
-      };
-    });
+  }: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+    # lib = nixpkgs.lib;
+  in {
+    devShells.${system}.default = pkgs.mkShell {
+      packages = with pkgs; [circup] ++ (with pkgs.python311Packages; [python-lsp-server]);
+    };
+  };
 }
diff --git a/poetry.lock b/poetry.lock
deleted file mode 100644
index a703e15..0000000
--- a/poetry.lock
+++ /dev/null
@@ -1,156 +0,0 @@
-# This file is automatically @generated by Poetry 1.7.0 and should not be changed by hand.
-
-[[package]]
-name = "adafruit-blinka"
-version = "8.25.0"
-description = "CircuitPython APIs for non-CircuitPython versions of Python such as CPython on Linux and MicroPython."
-optional = false
-python-versions = ">=3.7.0"
-files = [
-    {file = "Adafruit-Blinka-8.25.0.tar.gz", hash = "sha256:4cae1655a60c341d97e59108c0fa4f3963e8373b6195381e3b7f76ce1f4c2a5b"},
-    {file = "Adafruit_Blinka-8.25.0-py3-none-any.whl", hash = "sha256:6ccb124143bfc1073af7225445c75781e5415ecb97484bd24a9e0d9dbfb90816"},
-]
-
-[package.dependencies]
-adafruit-circuitpython-typing = "*"
-Adafruit-PlatformDetect = ">=3.53.0"
-Adafruit-PureIO = ">=1.1.7"
-pyftdi = ">=0.40.0"
-
-[[package]]
-name = "adafruit-circuitpython-busdevice"
-version = "5.2.6"
-description = "CircuitPython bus device classes to manage bus sharing."
-optional = false
-python-versions = "*"
-files = [
-    {file = "adafruit-circuitpython-busdevice-5.2.6.tar.gz", hash = "sha256:ed06f5552e5567b0c89589c5bc6ef3adcac67d59eb505ce9127af99f33c2bc90"},
-    {file = "adafruit_circuitpython_busdevice-5.2.6-py3-none-any.whl", hash = "sha256:9f25577843f0a338a0936a1b57436f4451f7783b38e3cf46160b6be78faeaa44"},
-]
-
-[package.dependencies]
-Adafruit-Blinka = ">=7.0.0"
-adafruit-circuitpython-typing = "*"
-
-[[package]]
-name = "adafruit-circuitpython-datetime"
-version = "1.2.6"
-description = "Subset of CPython datetime module"
-optional = false
-python-versions = "*"
-files = [
-    {file = "adafruit-circuitpython-datetime-1.2.6.tar.gz", hash = "sha256:f54867c184d8ae8295c66085893870370470350afebe720a52f715124f556236"},
-    {file = "adafruit_circuitpython_datetime-1.2.6-py3-none-any.whl", hash = "sha256:47c70ac4ed63b070136b1a211d3c47e1cce7ae99a5fced4d03b804cbd6db08f1"},
-]
-
-[package.dependencies]
-Adafruit-Blinka = "*"
-
-[[package]]
-name = "adafruit-circuitpython-requests"
-version = "2.0.2"
-description = "A requests-like library for web interfacing"
-optional = false
-python-versions = "*"
-files = [
-    {file = "adafruit-circuitpython-requests-2.0.2.tar.gz", hash = "sha256:fec34d21be9d721a44bd1471e3651630eb7d394ce806de2fb39536dac73408aa"},
-    {file = "adafruit_circuitpython_requests-2.0.2-py3-none-any.whl", hash = "sha256:91e7634cd223ee3adf22ca3cf6e8f34713a56a3809031f37ec31b90a3a9f503f"},
-]
-
-[package.dependencies]
-Adafruit-Blinka = "*"
-
-[[package]]
-name = "adafruit-circuitpython-typing"
-version = "1.9.5"
-description = "Types needed for type annotation that are not in `typing`"
-optional = false
-python-versions = "*"
-files = [
-    {file = "adafruit-circuitpython-typing-1.9.5.tar.gz", hash = "sha256:6a2a7a4f60d54348f3c4aad8f4dd0d0f0aaf9c854ddd1761b20d5146440faa1d"},
-    {file = "adafruit_circuitpython_typing-1.9.5-py3-none-any.whl", hash = "sha256:02625de1f8fdeb42db5a88999d2dc7a905339b30c673f7a2d8608b840e8520cc"},
-]
-
-[package.dependencies]
-Adafruit-Blinka = "*"
-adafruit-circuitpython-busdevice = "*"
-adafruit-circuitpython-requests = "*"
-typing-extensions = ">=4.0,<5.0"
-
-[[package]]
-name = "adafruit-platformdetect"
-version = "3.54.0"
-description = "Platform detection for use by libraries like Adafruit-Blinka."
-optional = false
-python-versions = "*"
-files = [
-    {file = "Adafruit-PlatformDetect-3.54.0.tar.gz", hash = "sha256:3fe7fb781a83d3f28812bcbff34edd4100afb68901d9c62ee22d07e824d82168"},
-    {file = "Adafruit_PlatformDetect-3.54.0-py3-none-any.whl", hash = "sha256:fecae7a6612bbcd32d1f40c2d2f1aa263c554be5e52cc6fa4eebaf8b80c33519"},
-]
-
-[[package]]
-name = "adafruit-pureio"
-version = "1.1.11"
-description = "Pure python (i.e. no native extensions) access to Linux IO    including I2C and SPI. Drop in replacement for smbus and spidev modules."
-optional = false
-python-versions = ">=3.5.0"
-files = [
-    {file = "Adafruit_PureIO-1.1.11-py3-none-any.whl", hash = "sha256:281ab2099372cc0decc26326918996cbf21b8eed694ec4764d51eefa029d324e"},
-    {file = "Adafruit_PureIO-1.1.11.tar.gz", hash = "sha256:c4cfbb365731942d1f1092a116f47dfdae0aef18c5b27f1072b5824ad5ea8c7c"},
-]
-
-[[package]]
-name = "pyftdi"
-version = "0.55.0"
-description = "FTDI device driver (pure Python)"
-optional = false
-python-versions = ">=3.8"
-files = [
-    {file = "pyftdi-0.55.0-py3-none-any.whl", hash = "sha256:6af7b6c73da1256fd5140076fe77a616c13e44dd0779dd561dac1b5981dbd43f"},
-    {file = "pyftdi-0.55.0.tar.gz", hash = "sha256:a747bbbccc4eeea26cefa2c8bd3d2b8bef8c94ecb6969bb9c75a63640887519a"},
-]
-
-[package.dependencies]
-pyserial = ">=3.0"
-pyusb = ">=1.0.0,<1.2.0 || >1.2.0"
-
-[[package]]
-name = "pyserial"
-version = "3.5"
-description = "Python Serial Port Extension"
-optional = false
-python-versions = "*"
-files = [
-    {file = "pyserial-3.5-py2.py3-none-any.whl", hash = "sha256:c4451db6ba391ca6ca299fb3ec7bae67a5c55dde170964c7a14ceefec02f2cf0"},
-    {file = "pyserial-3.5.tar.gz", hash = "sha256:3c77e014170dfffbd816e6ffc205e9842efb10be9f58ec16d3e8675b4925cddb"},
-]
-
-[package.extras]
-cp2110 = ["hidapi"]
-
-[[package]]
-name = "pyusb"
-version = "1.2.1"
-description = "Python USB access module"
-optional = false
-python-versions = ">=3.6.0"
-files = [
-    {file = "pyusb-1.2.1-py3-none-any.whl", hash = "sha256:2b4c7cb86dbadf044dfb9d3a4ff69fd217013dbe78a792177a3feb172449ea36"},
-    {file = "pyusb-1.2.1.tar.gz", hash = "sha256:a4cc7404a203144754164b8b40994e2849fde1cfff06b08492f12fff9d9de7b9"},
-]
-
-[[package]]
-name = "typing-extensions"
-version = "4.8.0"
-description = "Backported and Experimental Type Hints for Python 3.8+"
-optional = false
-python-versions = ">=3.8"
-files = [
-    {file = "typing_extensions-4.8.0-py3-none-any.whl", hash = "sha256:8f92fc8806f9a6b641eaa5318da32b44d401efaac0f6678c9bc448ba3605faa0"},
-    {file = "typing_extensions-4.8.0.tar.gz", hash = "sha256:df8e4339e9cb77357558cbdbceca33c303714cf861d1eef15e1070055ae8b7ef"},
-]
-
-[metadata]
-lock-version = "2.0"
-python-versions = "^3.11"
-content-hash = "222a24d7a18347e2035b793fd793724c3457b8b2a897e2385917d6ee0b063c71"
diff --git a/pyproject.toml b/pyproject.toml
deleted file mode 100644
index 333472f..0000000
--- a/pyproject.toml
+++ /dev/null
@@ -1,15 +0,0 @@
-[tool.poetry]
-name = "macropad"
-version = "1.0.0-alpha"
-description = ""
-authors = ["Daniel Flanagan <daniel@lyte.dev>"]
-license = "GPL"
-readme = "README.md"
-
-[tool.poetry.dependencies]
-python = "^3.11"
-adafruit-circuitpython-datetime = "^1.2.6"
-
-[build-system]
-requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"