diff --git a/Feather_ESP32-S2_TFT_Azure/code.py b/Feather_ESP32-S2_TFT_Azure/code.py
index 64c3f1135..2571d3d10 100644
--- a/Feather_ESP32-S2_TFT_Azure/code.py
+++ b/Feather_ESP32-S2_TFT_Azure/code.py
@@ -1,6 +1,7 @@
 # SPDX-FileCopyrightText: 2022 Liz Clark for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 import json
 import supervisor
@@ -17,20 +18,24 @@
 from adafruit_display_text import bitmap_label,  wrap_text_to_lines
 from adafruit_bitmap_font import bitmap_font
 from adafruit_azureiot import IoTCentralDevice
-import adafruit_bme680
 import adafruit_max1704x
+import adafruit_bme680
 #from adafruit_lc709203f import LC709203F, PackSize
 
+# Get WiFi details, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+if None in [ssid, password]:
+    raise RuntimeError(
+        "WiFi settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "at a minimum."
+    )
 
 print("Connecting to WiFi...")
-wifi.radio.connect(secrets["ssid"], secrets["password"])
+wifi.radio.connect(ssid, password)
 
 print("Connected to WiFi!")
 
@@ -75,7 +80,7 @@
 #
 # Next create a device using the device template, and select Connect to get the
 # device connection details.
-# Add the connection details to your secrets.py file, using the following values:
+# Add the connection details to your settings.toml file, using the following values:
 #
 # 'id_scope' - the devices ID scope
 # 'device_id' - the devices device id
@@ -100,7 +105,7 @@
 esp = None
 pool = socketpool.SocketPool(wifi.radio)
 device = IoTCentralDevice(
-    pool, ssl_context, secrets["id_scope"], secrets["device_id"], secrets["device_primary_key"]
+    pool, ssl_context, getenv("id_scope"), getenv("device_id"), getenv("device_primary_key")
 )
 
 print("Connecting to Azure IoT Central...")
diff --git a/Feather_Freezer_Alarm/code.py b/Feather_Freezer_Alarm/code.py
index 013fbceb7..733999665 100644
--- a/Feather_Freezer_Alarm/code.py
+++ b/Feather_Freezer_Alarm/code.py
@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 import ssl
 import microcontroller
@@ -38,23 +39,26 @@
 pir.direction = digitalio.Direction.INPUT
 motion = Debouncer(pir)
 
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi and Adafruit IO credentials are kept in secrets.py - please add them there!")
-    raise
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
 
-# Add your Adafruit IO Username and Key to secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need to obtain your Adafruit IO key.)
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
 # WiFi
 try:
-    print("Connecting to %s" % secrets["ssid"])
-    wifi.radio.connect(secrets["ssid"], secrets["password"])
-    print("Connected to %s!" % secrets["ssid"])
+    print(f"Connecting to {ssid}")
+    wifi.radio.connect(ssid, password)
+    print(f"Connected to {ssid}!")
 # Wi-Fi connectivity fails with error messages, not specific errors, so this except is broad.
 except Exception as e:  # pylint: disable=broad-except
     print("Failed to connect to WiFi. Error:", e, "\nBoard will restart in 5 seconds.")
@@ -67,8 +71,8 @@
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl.create_default_context(),
 )
diff --git a/FunHouse_IOT_Hub/battery_peripheral/code.py b/FunHouse_IOT_Hub/battery_peripheral/code.py
index 7bd2ff758..6f633493d 100644
--- a/FunHouse_IOT_Hub/battery_peripheral/code.py
+++ b/FunHouse_IOT_Hub/battery_peripheral/code.py
@@ -12,6 +12,7 @@
 Either the Feather or the Airlift Featherwing should have stacking headers for the display.
 """
 
+from os import getenv
 import time
 import board
 from adafruit_lc709203f import LC709203F
@@ -30,18 +31,25 @@
 from adafruit_display_text import label
 import adafruit_displayio_ssd1306
 
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
+
 displayio.release_displays()
 
 ### WiFi ###
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
-
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.D13)
 esp32_ready = DigitalInOut(board.D11)
@@ -50,10 +58,10 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Define callback functions which will be called when certain events happen.
 # pylint: disable=unused-argument
@@ -81,8 +89,8 @@ def message(client, feed_id, payload):
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl_context,
 )
diff --git a/FunHouse_IOT_Hub/door_peripheral/code.py b/FunHouse_IOT_Hub/door_peripheral/code.py
index ae8854f95..e11c2e9a8 100644
--- a/FunHouse_IOT_Hub/door_peripheral/code.py
+++ b/FunHouse_IOT_Hub/door_peripheral/code.py
@@ -14,6 +14,7 @@
 either the Feather or the AirLift Featherwing has stacking headers.
 """
 
+from os import getenv
 import board
 import busio
 import adafruit_connection_manager
@@ -25,14 +26,22 @@
 from digitalio import DigitalInOut, Direction, Pull
 from adafruit_debouncer import Debouncer
 
-### WiFi ###
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+### WiFi ###
 
 switch_pin = DigitalInOut(board.D10)
 switch_pin.direction = Direction.INPUT
@@ -47,10 +56,10 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Connect to WiFi
 print("Connecting to WiFi...")
@@ -63,8 +72,8 @@
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl_context,
 )
diff --git a/FunHouse_IOT_Hub/iot_hub/code.py b/FunHouse_IOT_Hub/iot_hub/code.py
index c09c11844..a13efe80b 100644
--- a/FunHouse_IOT_Hub/iot_hub/code.py
+++ b/FunHouse_IOT_Hub/iot_hub/code.py
@@ -1,6 +1,7 @@
 # SPDX-FileCopyrightText: 2021 Eva Herrada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 import ssl
 import displayio
@@ -15,6 +16,21 @@
 from adafruit_io.adafruit_io import IO_MQTT
 from adafruit_dash_display import Hub
 
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
+
 # Set up navigation buttons
 up = DigitalInOut(board.BUTTON_UP)
 up.direction = Direction.INPUT
@@ -31,14 +47,6 @@
 back = touchio.TouchIn(board.CAP7)
 submit = touchio.TouchIn(board.CAP8)
 
-# Check for secrets.py. Note: for this project, your secrets.py needs an adafruit io api key as
-# well as the wifi information
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
 # Make the rgb group for setting rgb hex values for NeoPixels
 rgb_group = displayio.Group()
 R_label = Label(
@@ -174,15 +182,9 @@ def pub_lamp(lamp):
 
 display = board.DISPLAY
 
-# Set your Adafruit IO Username and Key in secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need your Adafruit IO key.)
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
-
-print("Connecting to %s" % secrets["ssid"])
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print("Connected to %s!" % secrets["ssid"])
+print(f"Connecting to {ssid}")
+wifi.radio.connect(ssid, password)
+print(f"Connected to {ssid}!")
 
 # Create a socket pool
 pool = socketpool.SocketPool(wifi.radio)
@@ -190,8 +192,8 @@ def pub_lamp(lamp):
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl.create_default_context(),
 )
diff --git a/FunHouse_IOT_Hub/neopixel_remote/code.py b/FunHouse_IOT_Hub/neopixel_remote/code.py
index 685a7bdae..7e30ed84b 100644
--- a/FunHouse_IOT_Hub/neopixel_remote/code.py
+++ b/FunHouse_IOT_Hub/neopixel_remote/code.py
@@ -7,6 +7,7 @@
 Colors used are taken from Adafruit_CircuitPython_LED_Animation library
 """
 
+from os import getenv
 import time
 import math
 import board
@@ -26,6 +27,21 @@
 # Import Adafruit IO HTTP Client
 from adafruit_io.adafruit_io import IO_HTTP, AdafruitIO_RequestError
 
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
+
 ts = adafruit_touchscreen.Touchscreen(
     board.TOUCH_XL,
     board.TOUCH_XR,
@@ -92,30 +108,17 @@
 group.append(rect)
 print(len(group))
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
 # PyPortal ESP32 Setup
 esp32_cs = DigitalInOut(board.ESP_CS)
 esp32_ready = DigitalInOut(board.ESP_BUSY)
 esp32_reset = DigitalInOut(board.ESP_RESET)
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
-status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
-
-# Set your Adafruit IO Username and Key in secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need your Adafruit IO key.)
-ADAFRUIT_IO_USER = secrets["aio_username"]
-ADAFRUIT_IO_KEY = secrets["aio_key"]
+status_pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Create an instance of the Adafruit IO HTTP client
-io = IO_HTTP(ADAFRUIT_IO_USER, ADAFRUIT_IO_KEY, wifi)
+io = IO_HTTP(aio_username, aio_key, wifi)
 
 try:
     # Get the 'temperature' feed from Adafruit IO
diff --git a/FunHouse_IOT_Hub/neopixel_remote/feather_code/code.py b/FunHouse_IOT_Hub/neopixel_remote/feather_code/code.py
index 30f3d960a..76fd255a6 100644
--- a/FunHouse_IOT_Hub/neopixel_remote/feather_code/code.py
+++ b/FunHouse_IOT_Hub/neopixel_remote/feather_code/code.py
@@ -15,6 +15,7 @@
 But if it doesn't, use stacking headers on either the Feather or the AirLift FeatherWing
 """
 
+from os import getenv
 import board
 import busio
 import adafruit_connection_manager
@@ -25,14 +26,22 @@
 from adafruit_io.adafruit_io import IO_MQTT
 from digitalio import DigitalInOut
 
-### WiFi ###
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+### WiFi ###
 
 # Change the first number to the pin the data line is plugged in to and the second number
 # to the number of pixels
@@ -46,10 +55,10 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Define callback functions which will be called when certain events happen.
 # pylint: disable=unused-argument
@@ -82,8 +91,8 @@ def on_neopixel(client, topic, message):
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl_context,
 )
diff --git a/FunHouse_IOT_Hub/relay_heatindex_peripheral/code.py b/FunHouse_IOT_Hub/relay_heatindex_peripheral/code.py
index ca4882707..8f58e09b5 100644
--- a/FunHouse_IOT_Hub/relay_heatindex_peripheral/code.py
+++ b/FunHouse_IOT_Hub/relay_heatindex_peripheral/code.py
@@ -17,6 +17,7 @@
 a box fan connected to it.
 """
 
+from os import getenv
 import board
 import busio
 import adafruit_connection_manager
@@ -27,14 +28,22 @@
 from adafruit_io.adafruit_io import IO_MQTT
 from digitalio import DigitalInOut, Direction
 
-### WiFi ###
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+### WiFi ###
 
 RELAY = DigitalInOut(board.D10)
 RELAY.direction = Direction.OUTPUT
@@ -47,10 +56,10 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Define callback functions which will be called when certain events happen.
 # pylint: disable=unused-argument
@@ -81,8 +90,8 @@ def on_hi(client, topic, message):
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl_context,
 )
diff --git a/FunHouse_IOT_Hub/relay_peripheral/code.py b/FunHouse_IOT_Hub/relay_peripheral/code.py
index 0f2dbfae4..cdb8f0d22 100644
--- a/FunHouse_IOT_Hub/relay_peripheral/code.py
+++ b/FunHouse_IOT_Hub/relay_peripheral/code.py
@@ -12,6 +12,8 @@
     OR
     * https://www.adafruit.com/product/2935
 """
+
+from os import getenv
 import board
 import busio
 import adafruit_connection_manager
@@ -22,14 +24,22 @@
 from adafruit_io.adafruit_io import IO_MQTT
 from digitalio import DigitalInOut, Direction
 
-### WiFi ###
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+### WiFi ###
 
 # If you are using a Relay FeatherWing, make sure this pin corresponds to the pin shorted on the
 # bottom of the Relay FeatherWing
@@ -44,10 +54,10 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Define callback functions which will be called when certain events happen.
 # pylint: disable=unused-argument
@@ -75,8 +85,8 @@ def on_lamp(client, topic, message):
 # Initialize a new MQTT Client object
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl_context,
 )
diff --git a/FunHouse_IOT_Hub/temp_humid_peripheral/code.py b/FunHouse_IOT_Hub/temp_humid_peripheral/code.py
index b744a0faa..fa80c67ea 100644
--- a/FunHouse_IOT_Hub/temp_humid_peripheral/code.py
+++ b/FunHouse_IOT_Hub/temp_humid_peripheral/code.py
@@ -14,6 +14,7 @@
     * https://www.adafruit.com/product/4399
 """
 
+from os import getenv
 import ssl
 import socketpool
 import wifi
@@ -25,33 +26,30 @@
 import board
 import adafruit_sht4x
 
-### WiFi ###
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
-# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
+### WiFi ###
 
 magtag = MagTag()
 
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
-# Set your Adafruit IO Username and Key in secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need your Adafruit IO key.)
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
-
-
 connected = False
 try:
-    print("Connecting to %s" % secrets["ssid"])
-    wifi.radio.connect(secrets["ssid"], secrets["password"])
-    print("Connected to %s!" % secrets["ssid"])
+    print(f"Connecting to {ssid}")
+    wifi.radio.connect(ssid, password)
+    print(f"Connected to {ssid}!")
 
     # Create a socket pool
     pool = socketpool.SocketPool(wifi.radio)
@@ -59,8 +57,8 @@
     # Initialize a new MQTT Client object
     mqtt_client = MQTT.MQTT(
         broker="io.adafruit.com",
-        username=secrets["aio_username"],
-        password=secrets["aio_key"],
+        username=aio_username,
+        password=aio_key,
         socket_pool=pool,
         ssl_context=ssl.create_default_context(),
     )
diff --git a/FunHouse_LIFX/.circuitpython.skip b/FunHouse_LIFX/.circuitpython.skip
deleted file mode 100644
index 69a38db93..000000000
--- a/FunHouse_LIFX/.circuitpython.skip
+++ /dev/null
@@ -1,2 +0,0 @@
-FunHouse_LIFX/code.py 117: Comparison to literal (literal-comparison)
-FunHouse_LIFX/code.py 136: Comparison to literal (literal-comparison)
diff --git a/FunHouse_LIFX/code.py b/FunHouse_LIFX/code.py
index 2cb211075..11ce23d26 100644
--- a/FunHouse_LIFX/code.py
+++ b/FunHouse_LIFX/code.py
@@ -1,21 +1,28 @@
 # SPDX-FileCopyrightText: 2021 John Park for Adafruit Industries
 # SPDX-License-Identifier: MIT
 # FunHouse PIR Motion Sensor for LIFX light bulbs
+
+from os import getenv
 import time
 import ssl
 import socketpool
 import wifi
 import adafruit_requests
-from adafruit_funhouse import FunHouse
 from displayio import CIRCUITPYTHON_TERMINAL
 import adafruit_lifx
+from adafruit_funhouse import FunHouse
+
+# Get WiFi details, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi and API secrets are kept in secrets.py, please add them there!")
-    raise
+if None in [ssid, password]:
+    raise RuntimeError(
+        "WiFi settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "at a minimum."
+    )
 
 # choose colors here. Note formatting differences.
 default_bulb_color = "#002010"
@@ -24,13 +31,13 @@
 tripped_led_color = 0x440044
 
 # Set up ESP32-S2 and adafruit_requests session
-wifi.radio.connect(ssid=secrets["ssid"], password=secrets["password"])
+wifi.radio.connect(ssid, password)
 pool = socketpool.SocketPool(wifi.radio)
 http_session = adafruit_requests.Session(pool, ssl.create_default_context())
 
-# Add your LIFX Personal Access token to secrets.py
+# Add your LIFX Personal Access token to settings.toml
 # (to obtain a token, visit: https://cloud.lifx.com/settings)
-lifx_token = secrets["lifx_token"]
+lifx_token = getenv("lifx_token")
 
 # Set this to your LIFX light separator label
 # https://api.developer.lifx.com/docs/selectors
@@ -115,7 +122,7 @@ def set_label_color(conditional, index, on_color):
             time.sleep(0.5)
 
     # when sensor is tripped, set the color x amount of time
-    if running_state is True and funhouse.peripherals.pir_sensor and pir_state is 0:
+    if running_state is True and funhouse.peripherals.pir_sensor and pir_state == 0:
         funhouse.peripherals.dotstars.fill(tripped_led_color)
         funhouse.set_text("tripped", running_label)
         lifx.set_color(
@@ -134,7 +141,7 @@ def set_label_color(conditional, index, on_color):
 
     # return to default color
     elif (
-            running_state is True and not funhouse.peripherals.pir_sensor and pir_state is 1
+            running_state is True and not funhouse.peripherals.pir_sensor and pir_state == 1
     ):
         funhouse.peripherals.dotstars.fill(default_led_color)
         funhouse.set_text("sensing...", running_label)
diff --git a/IoT_Environment_Sensor/.circuitpython.skip b/IoT_Environment_Sensor/.circuitpython.skip
deleted file mode 100644
index 117ae2f31..000000000
--- a/IoT_Environment_Sensor/.circuitpython.skip
+++ /dev/null
@@ -1,5 +0,0 @@
-IoT_Environment_Sensor/gps.py 22: Class 'Gps' inherits from object, can be safely removed from bases in python3 (useless-object-inheritance)
-IoT_Environment_Sensor/air_quality.py 24: Class 'AirQualitySensor' inherits from object, can be safely removed from bases in python3 (useless-object-inheritance)
-IoT_Environment_Sensor/aio.py 41: Class 'AIO' inherits from object, can be safely removed from bases in python3 (useless-object-inheritance)
-IoT_Environment_Sensor/aio.py 120: Consider explicitly re-raising using the 'from' keyword (raise-missing-from)
-IoT_Environment_Sensor/aio.py 142: Consider explicitly re-raising using the 'from' keyword (raise-missing-from)
diff --git a/IoT_Environment_Sensor/aio.py b/IoT_Environment_Sensor/aio.py
index fd4e74519..b3b178c3a 100644
--- a/IoT_Environment_Sensor/aio.py
+++ b/IoT_Environment_Sensor/aio.py
@@ -16,6 +16,7 @@
 All text above must be included in any redistribution.
 """
 
+from os import getenv
 import time
 import gc
 import board
@@ -37,14 +38,22 @@
 
 
 
-# Get wifi details and more from a settings.py file
-try:
-    from secrets import secrets
-except ImportError:
-    logger.critical('WiFi settings are kept in settings.py, please add them there!')
-    raise
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
 
-class AIO(object):
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
+
+class AIO:
 
     def __init__(self):
         try:
@@ -76,16 +85,16 @@ def connect(self):
         logger.debug("Connecting...")
         while not self._esp.is_connected:
             try:
-                self._esp.connect_AP(secrets['ssid'], secrets['password'])
+                self._esp.connect_AP(ssid, password)
             except RuntimeError as e:
                 logger.error("could not connect to AP, retrying: %s", e)
                 continue
 
     def post(self, feed, payload):
-        api_url = 'https://io.adafruit.com/api/v2/{0}/feeds/{1}/data'.format(secrets['aio_username'], feed)# pylint: disable=line-too-long
+        api_url = f'https://io.adafruit.com/api/v2/{aio_username}/feeds/{feed}/data'
         logger.info('POSTing to %s', api_url)
         logger.info('payload: %s', str(payload))
-        auth_header = {'X-AIO-KEY':secrets['aio_key']}
+        auth_header = {'X-AIO-KEY': aio_key}
         self.connect()
         r = None
         tries = 0
@@ -119,13 +128,8 @@ def refresh_local_time(self):
         """
         # pylint: enable=line-too-long
         api_url = None
-        try:
-            aio_username = secrets['aio_username']
-            aio_key = secrets['aio_key']
-        except KeyError:
-            raise KeyError("\n\nOur time service requires a login/password to rate-limit. Please register for a free adafruit.io account and place the user/key in your secrets file under 'aio_username' and 'aio_key'")# pylint: disable=line-too-long
 
-        location = secrets['timezone']
+        location = getenv('timezone')
         if location:
             logger.debug('Getting time for timezone %s', location)
             api_url = (TIME_SERVICE + "&tz=%s") % (aio_username, aio_key, location)
@@ -144,8 +148,8 @@ def refresh_local_time(self):
             year_day = int(times[2])
             week_day = int(times[3])
             is_dst = None  # no way to know yet
-        except KeyError:
-            raise KeyError("Was unable to lookup the time, try setting secrets['timezone'] according to http://worldtimeapi.org/timezones")  # pylint: disable=line-too-long
+        except KeyError as exc:
+            raise KeyError("Was unable to lookup the time, try setting timezone in your settings.toml according to http://worldtimeapi.org/timezones") from exc  # pylint: disable=line-too-long
         year, month, mday = [int(x) for x in the_date.split('-')]
         the_time = the_time.split('.')[0]
         hours, minutes, seconds = [int(x) for x in the_time.split(':')]
diff --git a/IoT_Environment_Sensor/air_quality.py b/IoT_Environment_Sensor/air_quality.py
index bb392cc2e..a2fff82fa 100644
--- a/IoT_Environment_Sensor/air_quality.py
+++ b/IoT_Environment_Sensor/air_quality.py
@@ -27,7 +27,7 @@
 if not logger.hasHandlers():
     logger.addHandler(logging.StreamHandler())
 
-class AirQualitySensor (object):
+class AirQualitySensor:
 
     def __init__(self, uart):
         self._uart = uart
diff --git a/IoT_Environment_Sensor/code.py b/IoT_Environment_Sensor/code.py
index 5ff2970cf..2ffe9397f 100644
--- a/IoT_Environment_Sensor/code.py
+++ b/IoT_Environment_Sensor/code.py
@@ -21,9 +21,9 @@
 import busio
 import air_quality
 import gps
-import adafruit_bme280
 import aio
 import adafruit_logging as logging
+import adafruit_bme280
 
 logger = logging.getLogger('main')
 if not logger.hasHandlers():
diff --git a/IoT_Environment_Sensor/gps.py b/IoT_Environment_Sensor/gps.py
index 9839350c1..5b8014422 100644
--- a/IoT_Environment_Sensor/gps.py
+++ b/IoT_Environment_Sensor/gps.py
@@ -25,7 +25,7 @@
 if not logger.hasHandlers():
     logger.addHandler(logging.StreamHandler())
 
-class Gps(object):
+class Gps:
 
     def __init__(self, uart):
         self._gps = adafruit_gps.GPS(uart, debug=False)
diff --git a/IoT_Environment_Sensor/secrets.py b/IoT_Environment_Sensor/secrets.py
deleted file mode 100644
index f55951b18..000000000
--- a/IoT_Environment_Sensor/secrets.py
+++ /dev/null
@@ -1,14 +0,0 @@
-# SPDX-FileCopyrightText: 2019 Dave Astels for Adafruit Industries
-#
-# SPDX-License-Identifier: MIT
-
-# This file is where you keep secret settings, passwords, and tokens!
-# If you put them in the code you risk committing that info or sharing it
-
-secrets = {
-    "ssid": b"My_SSID",
-    "password": b"My_WIFI_Password",
-    "timezone": "Area/City",
-    "aio_username": "my_username",
-    "aio_key": "my_key",
-}
diff --git a/IoT_Environment_Sensor/settings.toml b/IoT_Environment_Sensor/settings.toml
new file mode 100644
index 000000000..c6b66bd33
--- /dev/null
+++ b/IoT_Environment_Sensor/settings.toml
@@ -0,0 +1,12 @@
+# SPDX-FileCopyrightText: 2019 Dave Astels for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+# This file is where you keep private settings, passwords, and tokens!
+# If you put them in the code you risk committing that info or sharing it
+
+CIRCUITPY_WIFI_SSID="your-wifi-ssid"
+CIRCUITPY_WIFI_PASSWORD="your-wifi-password"
+ADAFRUIT_AIO_USERNAME="my_username"
+ADAFRUIT_AIO_KEY="my_key"
+timezone="America/New_York"  # http://worldtimeapi.org/timezones
diff --git a/IoT_NeoPixel_Sign/.circuitpython.skip b/IoT_NeoPixel_Sign/.circuitpython.skip
deleted file mode 100644
index e6f96e785..000000000
--- a/IoT_NeoPixel_Sign/.circuitpython.skip
+++ /dev/null
@@ -1 +0,0 @@
-IoT_NeoPixel_Sign/code.py 47: Using the global statement (global-statement)
diff --git a/IoT_NeoPixel_Sign/code.py b/IoT_NeoPixel_Sign/code.py
index 3c0130464..2e35fbbcd 100644
--- a/IoT_NeoPixel_Sign/code.py
+++ b/IoT_NeoPixel_Sign/code.py
@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import ssl
 import board
 import neopixel
@@ -12,20 +13,26 @@
 from adafruit_pixel_framebuf import PixelFramebuffer
 # adafruit_circuitpython_adafruitio usage with native wifi networking
 
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
+
 # Neopixel matrix configuration
 PIXEL_PIN = board.IO6
 PIXEL_WIDTH = 12
 PIXEL_HEIGHT = 12
 
-# secrets.py has SSID/password and adafruit.io
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-AIO_USERNAME = secrets["aio_username"]
-AIO_KEY = secrets["aio_key"]
-
 # LED matrix creation
 PIXELS = neopixel.NeoPixel(
     PIXEL_PIN, PIXEL_WIDTH * PIXEL_HEIGHT, brightness=0.5, auto_write=False,
@@ -48,7 +55,7 @@
 
 # Helper function to get updated data from Adafruit.io
 def update_data():
-    global CURRENT_TEXT, CURRENT_COLOR
+    global CURRENT_TEXT, CURRENT_COLOR # pylint: disable=global-statement
     print("Updating data from Adafruit IO")
     try:
         quote_feed = IO.get_feed(QUOTE_FEED)
@@ -63,15 +70,15 @@ def update_data():
 
 
 # Connect to WiFi
-print("Connecting to %s" % secrets["ssid"])
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print("Connected to %s!" % secrets["ssid"])
+print(f"Connecting to {ssid}")
+wifi.radio.connect(ssid, password)
+print(f"Connected to {ssid}!")
 
 # Setup Adafruit IO connection
-POOL = socketpool.SocketPool(wifi.radio)
-REQUESTS = adafruit_requests.Session(POOL, ssl.create_default_context())
+pool = socketpool.SocketPool(wifi.radio)
+requests = adafruit_requests.Session(pool, ssl.create_default_context())
 # Initialize an Adafruit IO HTTP API object
-IO = IO_HTTP(AIO_USERNAME, AIO_KEY, REQUESTS)
+IO = IO_HTTP(aio_username, aio_key, requests)
 
 
 while True:
diff --git a/IoT_Party_Parrot/code.py b/IoT_Party_Parrot/code.py
index a4486ee23..55b24a76e 100644
--- a/IoT_Party_Parrot/code.py
+++ b/IoT_Party_Parrot/code.py
@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 import board
 import displayio
@@ -9,17 +10,22 @@
 from adafruit_matrixportal.matrix import Matrix
 import adafruit_imageload
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
 print("Party Parrot Twitter Matrix")
 
+# Get WiFi details, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+
+if None in [ssid, password]:
+    raise RuntimeError(
+        "WiFi settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "at a minimum."
+    )
+
 #  import your bearer token
-bear = secrets['bearer_token']
+bear = getenv('bearer_token')
 
 #  query URL for tweets. looking for hashtag partyparrot sent to a specific username
 DATA_SOURCE = 'https://api.twitter.com/2/tweets/search/recent?query=#partyparrot to:blitzcitydiy'
diff --git a/IoT_Party_Parrot/secrets.py b/IoT_Party_Parrot/secrets.py
deleted file mode 100644
index 39bdad947..000000000
--- a/IoT_Party_Parrot/secrets.py
+++ /dev/null
@@ -1,15 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Liz Clark for Adafruit Industries
-#
-# SPDX-License-Identifier: MIT
-
-# This file is where you keep secret settings, passwords, and tokens!
-# If you put them in the code you risk committing that info or sharing it
-
-secrets = {
-    'ssid' : 'insert your network name here',
-    'password' : 'insert your network password here',
-    'timezone' : "America/New_York", # http://worldtimeapi.org/timezones
-    'twitter_api_key' : 'insert your twitter api key here',
-    'twitter_secret_key' : 'insert your twitter secret key here',
-    'bearer_token' : 'insert your bearer token here'
-    }
diff --git a/IoT_Party_Parrot/settings.toml b/IoT_Party_Parrot/settings.toml
new file mode 100644
index 000000000..4b4d629e3
--- /dev/null
+++ b/IoT_Party_Parrot/settings.toml
@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2020 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+# This file is where you keep private settings, passwords, and tokens!
+# If you put them in the code you risk committing that info or sharing it
+
+CIRCUITPY_WIFI_SSID="your-wifi-ssid"
+CIRCUITPY_WIFI_PASSWORD="your-wifi-password"
+timezone="America/New_York"  # http://worldtimeapi.org/timezones
+twitter_api_key="insert your twitter api key here"
+twitter_secret_key="insert your twitter secret key here"
+bearer_token="insert your bearer token here"