diff --git a/mio/data/bitfile/USBInterface-10mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-10mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-10mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-10mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/data/bitfile/USBInterface-12_5mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-12_5mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-12_5mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-12_5mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/data/bitfile/USBInterface-14_3mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-14_3mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-14_3mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-14_3mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/data/bitfile/USBInterface-3_03mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-3_03mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-3_03mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-3_03mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/data/bitfile/USBInterface-5mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-5mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-5mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-5mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/data/bitfile/USBInterface-6_67mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-6_67mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-6_67mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-6_67mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/data/bitfile/USBInterface-8_33mhz-J2_2-3v3-IEEE.bit b/mio/data/bitfile/XEM7310-A75/USBInterface-8_33mhz-J2_2-3v3-IEEE.bit
similarity index 100%
rename from mio/data/bitfile/USBInterface-8_33mhz-J2_2-3v3-IEEE.bit
rename to mio/data/bitfile/XEM7310-A75/USBInterface-8_33mhz-J2_2-3v3-IEEE.bit
diff --git a/mio/devices/camera.py b/mio/devices/camera.py
index 219d2ac2..bccbe348 100644
--- a/mio/devices/camera.py
+++ b/mio/devices/camera.py
@@ -68,20 +68,20 @@ def fps(self, value: Union[int, float]) -> None:
         """
 
     @property
-    @abstractmethod
     def exposure(self) -> int:
         """
         Returns:
             int:
         """
+        raise NotImplementedError("exposure getter is not implemented")
 
     @exposure.setter
-    @abstractmethod
     def exposure(self, value: int) -> None:
         """
         Args:
             value (int): Value to set
         """
+        raise NotImplementedError("exposure setter is not implemented")
 
     @property
     @abstractmethod
diff --git a/mio/devices/device.py b/mio/devices/device.py
index 10f73147..34324259 100644
--- a/mio/devices/device.py
+++ b/mio/devices/device.py
@@ -3,9 +3,10 @@
 """
 
 from abc import abstractmethod
-from typing import TYPE_CHECKING, Any, Union
+from dataclasses import dataclass
+from typing import TYPE_CHECKING, Any, Optional, Union
 
-from mio.models import MiniscopeConfig, MiniscopeIOModel, Pipeline, PipelineConfig
+from mio.models import MiniscopeConfig, Pipeline, PipelineConfig
 
 if TYPE_CHECKING:
     from mio.models.pipeline import Sink, Source, Transform
@@ -21,15 +22,16 @@ class DeviceConfig(MiniscopeConfig):
     pipeline: PipelineConfig = PipelineConfig()
 
 
-class Device(MiniscopeIOModel):
+@dataclass(kw_only=True)
+class Device:
     """
     Abstract base class for devices.
 
     Currently a placeholder to allow room for expansion/renaming in the future
     """
 
-    pipeline: Pipeline
-    config: DeviceConfig
+    pipeline: Optional[Pipeline] = None
+    # config: Optional[DeviceConfig] = None
 
     @abstractmethod
     def init(self) -> None:
diff --git a/mio/devices/wirefree.py b/mio/devices/wirefree.py
index 0b867c5f..751cc638 100644
--- a/mio/devices/wirefree.py
+++ b/mio/devices/wirefree.py
@@ -3,8 +3,9 @@
 """
 
 import contextlib
+from dataclasses import dataclass, field
 from pathlib import Path
-from typing import BinaryIO, Literal, Optional, Union, overload
+from typing import Any, BinaryIO, Literal, Optional, Union, overload
 
 import cv2
 import numpy as np
@@ -15,6 +16,7 @@
 from mio.exceptions import EndOfRecordingException, ReadHeaderException
 from mio.models.data import Frame
 from mio.models.sdcard import SDBufferHeader, SDConfig, SDLayout
+from mio.types import ConfigSource, Resolution
 
 
 class WireFreeConfig(DeviceConfig):
@@ -22,7 +24,7 @@ class WireFreeConfig(DeviceConfig):
 
     pass
 
-
+@dataclass(kw_only=True)
 class WireFreeMiniscope(Miniscope, RecordingCameraMixin):
     """
     I/O for data on an SD Card recorded with a WireFree Miniscope
@@ -39,13 +41,22 @@ class WireFreeMiniscope(Miniscope, RecordingCameraMixin):
 
     drive: Path
     """The path to the SD card drive"""
-    config: WireFreeConfig
-    """Configuration """
-    # layout:
+    # config: WireFreeConfig
+    # """Configuration """
+    layout: Union[SDLayout, ConfigSource] = "wirefree-sd-layout"
+    positions: dict[int, int] = field(default_factory=dict)
+    """
+    A mapping between frame number and byte position in the video that makes for 
+    faster seeking :)
+
+    As we read, we store the locations of each frame before reading it. Later, 
+    we can assign to `frame` to seek back to those positions. Assigning to `frame` 
+    works without caching position, but has to manually iterate through each frame.
+    """
 
-    def __post_init__(self, drive: Union[str, Path], layout: SDLayout):
-        self.drive = drive
-        self.layout = layout
+    def __post_init__(self) -> None:
+        """post-init create private vars"""
+        self.layout = SDLayout.from_any(self.layout)
         self.logger = init_logger("WireFreeMiniscope")
 
         # Private attributes used when the file reading context is entered
@@ -57,15 +68,7 @@ def __post_init__(self, drive: Union[str, Path], layout: SDLayout):
         """
         n_pix x 1 array used to store pixels while reading buffers
         """
-        self.positions = {}
-        """
-        A mapping between frame number and byte position in the video that makes for 
-        faster seeking :)
-        
-        As we read, we store the locations of each frame before reading it. Later, 
-        we can assign to `frame` to seek back to those positions. Assigning to `frame` 
-        works without caching position, but has to manually iterate through each frame.
-        """
+
 
     # --------------------------------------------------
     # Properties
@@ -91,6 +94,13 @@ def config(self) -> SDConfig:
 
         return self._config
 
+    @classmethod
+    def configure(cls, drive: Union[str, Path], config: WireFreeConfig) -> None:
+        """
+        Configure a WireFreeMiniscope SD card for recording
+        """
+        raise NotImplementedError()
+
     @property
     def position(self) -> Optional[int]:
         """
@@ -606,3 +616,50 @@ def check_valid(self) -> bool:
                 valid = True
 
         return valid
+
+    # --------------------------------------------------
+    # ABC methods
+    # --------------------------------------------------
+
+    def init(self) -> None:
+        """Do nothing"""
+        pass
+
+    def deinit(self) -> None:
+        """Do nothing"""
+        pass
+
+    def start(self) -> None:
+        """start pipeline"""
+        raise NotImplementedError()
+
+    def stop(self) -> None:
+        """stop pipeline"""
+        raise NotImplementedError()
+
+    def join(self) -> None:
+        """join pipeline"""
+        raise NotImplementedError()
+
+    @property
+    def excitation(self) -> float:
+        """LED Excitation"""
+        raise NotImplementedError()
+
+    @property
+    def fps(self) -> int:
+        """FPS"""
+        return self.config.fs
+
+    @property
+    def resolution(self) -> Resolution:
+        """Resolution of recorded video"""
+        return Resolution(self.config.width, self.config.height)
+
+    def get(self, key:str) -> Any:
+        """get a configuration value by its name"""
+        return getattr(self.config, key)
+
+    def set(self, key:str, value:Any) -> None:
+        """set a configuration value"""
+        raise NotImplementedError()
\ No newline at end of file
diff --git a/pdm.lock b/pdm.lock
index 010af761..3e7964ca 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "all", "dev", "docs", "plot", "tests"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:45c1d1f2b3d9add57b72934ccc1ee0e8798c25bd2e094d76b91f9bc2fb61f3e1"
+content_hash = "sha256:3cad0b2c79342e3968cf3e7d8ec49f1e168aa1c10201231286d5dfc0211c9c05"
 
 [[metadata.targets]]
 requires_python = "~=3.9"
@@ -1898,6 +1898,21 @@ files = [
     {file = "sphinxcontrib_jsmath-1.0.1-py2.py3-none-any.whl", hash = "sha256:2ec2eaebfb78f3f2078e73666b1415417a116cc848b72e5172e596c871103178"},
 ]
 
+[[package]]
+name = "sphinxcontrib-mermaid"
+version = "1.0.0"
+requires_python = ">=3.8"
+summary = "Mermaid diagrams in yours Sphinx powered docs"
+groups = ["all", "docs"]
+dependencies = [
+    "pyyaml",
+    "sphinx",
+]
+files = [
+    {file = "sphinxcontrib_mermaid-1.0.0-py3-none-any.whl", hash = "sha256:60b72710ea02087f212028feb09711225fbc2e343a10d34822fe787510e1caa3"},
+    {file = "sphinxcontrib_mermaid-1.0.0.tar.gz", hash = "sha256:2e8ab67d3e1e2816663f9347d026a8dee4a858acdd4ad32dd1c808893db88146"},
+]
+
 [[package]]
 name = "sphinxcontrib-programoutput"
 version = "0.18"
diff --git a/tests/test_devices/test_wirefree.py b/tests/test_devices/test_wirefree.py
index 1b5b3781..73074cd8 100644
--- a/tests/test_devices/test_wirefree.py
+++ b/tests/test_devices/test_wirefree.py
@@ -7,7 +7,6 @@
 
 from mio.devices import WireFreeMiniscope
 from mio.exceptions import EndOfRecordingException
-from mio.formats import WireFreeSDLayout, WireFreeSDLayout_Battery
 from mio.models.data import Frame
 from mio.models.sdcard import SDBufferHeader
 from mio.utils import hash_video, hash_file
@@ -98,7 +97,7 @@ def test_relative_path():
     rel_path = abs_child.relative_to(abs_cwd)
 
     assert not rel_path.is_absolute()
-    sdcard = WireFreeMiniscope(drive=rel_path, layout=WireFreeSDLayout)
+    sdcard = WireFreeMiniscope(drive=rel_path, layout="wirefree-sd-layout")
 
     # check we can do something basic like read config
     assert sdcard.config is not None
@@ -109,7 +108,7 @@ def test_relative_path():
     # now try with an absolute path
     abs_path = rel_path.resolve()
     assert abs_path.is_absolute()
-    sdcard_abs = WireFreeMiniscope(drive=abs_path, layout=WireFreeSDLayout)
+    sdcard_abs = WireFreeMiniscope(drive=abs_path, layout="wirefree-sd-layout")
     assert sdcard_abs.config is not None
     assert sdcard_abs.drive.is_absolute()
 
@@ -141,7 +140,7 @@ def test_to_img(wirefree_battery, n_frames, hash, tmp_path):
 
     assert out_hash == hash
 
-    sd = WireFreeMiniscope(out_file, WireFreeSDLayout_Battery)
+    sd = WireFreeMiniscope(drive=out_file, layout="wirefree-sd-layout")
 
     # we should be able to read all the frames!
     frames = []