diff --git a/cpdctrl/led_control_device/__init__.py b/cpdctrl/led_control_device/__init__.py
index e7d07bf..68c04d9 100644
--- a/cpdctrl/led_control_device/__init__.py
+++ b/cpdctrl/led_control_device/__init__.py
@@ -1,64 +1,25 @@
 from cpdctrl.led_control_device.base import LedControlDevice
 from cpdctrl.led_control_device.impl.test import TestLedControlDevice
 
-# can not use a static class member as name since the import might fail
-TYPENAME_DC2200 = "Thorlabs DC2200"
-TYPENAME_LEDD1B = "Thorlabs LEDD1B"
-TYPENAME_TEST = "Test"
 
 def list_devices() -> dict[str,list[str]]:
-    """
-    Get a list of all devices that are available to connect
-    The returned device names may be passed to connect_device() to connect the device and acquire the handle
-
-    If a module is not installed, it will not be listed.
-
-    Returns
-    -------
-    dict[str,list[str]]
-        A dictionary with keys being the typename and values being a list of device names
-    """
     devices = {
-        TYPENAME_TEST: ["Led Control Dummy Device"],
+        "TEST": ["Led Control Dummy Device"],
     }
     try:
         from .impl import thorlabs_ledd1b as th
-        devices[TYPENAME_LEDD1B] = ["Thorlabs LEDD1B"] #keithley2700.enumerate_devices()
-    except ImportError:
-        pass
-    try:
-        from .impl.thorlabs_dc2200 import DC2200
-        devices[TYPENAME_DC2200] = DC2200.enumerate_devices()
+        devices["ARDUINO"] = ["Thorlabs LEDD1B"] #keithley2700.enumerate_devices()
     except ImportError:
         pass
     return devices
 
-def connect_device(type_name: str, device_name: str) -> LedControlDevice:
-    """
-    Connect to a device 
-    Parameters
-    ----------
-    type_name
-        Type of the device, first key of the dictionary returned by list_devices()
-    device_name
-        Name of the device, element of the list belonging to <type_name> in the dictionary returned by list_devices()
-
-    Returns
-    -------
-    An LedControlDevice object
-    """
-    if type_name == TYPENAME_TEST:
+def connect_device(typename: str, devicename: str) -> LedControlDevice:
+    if typename == "TEST":
         return TestLedControlDevice()
-    elif type_name == TYPENAME_LEDD1B:
+    elif typename == "ARDUINO":
         try:
             from .impl import thorlabs_ledd1b as th
             return th.LEDD1B()
         except ImportError as e:
             raise ValueError(f"Arduino devices not available: {e}")
-    elif type_name == TYPENAME_DC2200:
-        try:
-            from .impl.thorlabs_dc2200 import DC2200
-            return DC2200.connect_device(device_name)
-        except ImportError as e:
-            raise ValueError(f"DC2200 devices not available: {e}")
-    raise ValueError(f"Unknown device type {type_name}")
\ No newline at end of file
+    raise ValueError(f"Unknown device type {typename}")
\ No newline at end of file
diff --git a/cpdctrl/led_control_device/impl/thorlabs_dc2200.py b/cpdctrl/led_control_device/impl/thorlabs_dc2200.py
deleted file mode 100644
index 93c8054..0000000
--- a/cpdctrl/led_control_device/impl/thorlabs_dc2200.py
+++ /dev/null
@@ -1,63 +0,0 @@
-from ..base import LedControlDevice
-
-import logging
-log = logging.getLogger(__name__)
-
-import pyvisa
-
-class DC2200(LedControlDevice):
-    """
-    Class for controlling Thorlabs DC2200 LED controller.
-    This works only when the LED is connected to Terminal 2
-    Args:
-        instr (pyvisa.Resource): pyvisa resource object for the LED controller.
-    """
-    def __init__(self, instr: pyvisa.Resource):
-        super().__init__()
-        self.instr = instr
-        # Led name, format:
-        # "<vendor_name_string>,<led_head_model_name_string >, < led_head_serial_no_string >, < fw_version_major_num >, < fw_version_minor_num >, < fw_version_subminor_num > "
-        self.name = instr.query('SYSTem:TERMinal2:HTYPe?')
-        # led presence test
-        self.instr.write('OUTPut[1]:TERMinal2:TEST:INITiate')
-        # constant brightness
-        self.instr.write('SOURCE1:MODE CB')
-        # turn off
-        self.instr.write(f'SOURCE1:CBRightness:BRIGhtness 0')
-        self.instr.write('OUTPUT1:STATE ON')
-
-    def on(self):
-        self.instr.write(f'SOURCE1:CBRightness:BRIGhtness 100')
-
-    def off(self):
-        self.instr.write(f'SOURCE1:CBRightness:BRIGhtness 0')
-
-    def set_level(self, level:int):
-        self.instr.write(f'SOURCE1:CBRightness:BRIGhtness {level}')
-
-    @staticmethod
-    def enumerate_devices(query="(GPIB)|(USB)?*::INSTR"):
-        rm = pyvisa.ResourceManager()
-        res = []
-        for r in rm.list_resources(query):
-            try:
-                instr = rm.open_resource(r)
-                name = instr.query('*IDN?')
-                if 'DC2200' in name:
-                    res.append(r)
-                instr.close()
-            except:
-                log.debug(f"Could not open Visa resources {r}")
-        return res
-
-    @staticmethod
-    def connect_device(name):
-        rm = pyvisa.ResourceManager()
-        instr = rm.open_resource(name)
-        return DC2200(instr)
-
-
-
-
-
-