diff --git a/extron_audio_matrix/extron_audio_matrix_telnet_control.py b/extron_audio_matrix/extron_audio_matrix_telnet_control.py
new file mode 100644
index 0000000..56187e4
--- /dev/null
+++ b/extron_audio_matrix/extron_audio_matrix_telnet_control.py
@@ -0,0 +1,57 @@
+import asyncio
+import time
+
+import aiomqtt
+import telnetlib3
+from extron_audio_matrix_telnet_interpreter import *
+
+
+async def extron_audio_telnet_status(client, reader):
+    while True:
+        output = await reader.readuntil(b']')
+        raw_response: str = output.decode().strip()  # strip not necessary? needed for local netcat testing though
+        print("Received: " + raw_response + " from Barco")
+        parsed = parse_barco_response(raw_response)
+        if parsed == None:
+            continue  # TODO alert for errors
+        print(f"Updating topic [{parsed[0]}] with value [{parsed[1]}]")
+        await client.publish(f"p1/projectors/main/status/{parsed[0]}", payload=parsed[1])
+
+
+async def extron_audio_telnet_control(client, writer):
+    await client.subscribe("p1/audio_matrix/#")
+    async with client.messages() as msgs:
+        async for mesg in msgs:
+            print(mesg.topic.value)
+            if mesg.topic.matches('p1/audio_matrix/+/command/#'):
+                # format: <pred>/<audio_matrix>/[input/output]_[%02number]/command/<cmd>
+                _cmd = mesg.topic.value.split("/")[-1]
+                _payload = mesg.payload.decode()
+                _fullio = mesg.topic.value.split("/")[-3]  # TODO is there a better way to do this?
+                _io, _id = _fullio.split("_", maxsplit=2)
+                ind = int(_id)
+
+                cmd = ActionType.Gain if _cmd == "GAIN" else (ActionType.Mute if _cmd == "MUTE" else None)
+                io = IOType.Input if _io == "input" else (IOType.Output if _io == "output" else None)
+
+                extronCmd = field_to_eam_telnet_code(EAMValue(cmd, io, ind, _payload))
+                print(f" Received update: [{mesg.topic.value}] with value [{_payload}]")
+                print(f"Sending following command to Extron: [{extronCmd.strip()}]..")
+                writer.write(extronCmd)
+            await asyncio.sleep(0.2)
+    pass
+
+# TODO add initial pull
+async def shell(reader, writer):
+    async with aiomqtt.Client('localhost', 1883) as client:
+        #task_status_query = asyncio.create_task(extron_audio_telnet_query_status(client, writer, reader))
+        task_control = asyncio.create_task(extron_audio_telnet_control(client, writer))
+        await asyncio.gather(task_control)
+
+
+if __name__ == '__main__':
+    loop = asyncio.get_event_loop()
+    coro = telnetlib3.open_connection('localhost', 1234, shell=shell)
+    #coro = telnetlib3.open_connection('192.168.192.14', 23, shell=shell)
+    reader, writer  = loop.run_until_complete(coro)
+    loop.run_until_complete(writer.protocol.waiter_closed)
diff --git a/extron_audio_matrix/extron_audio_matrix_telnet_interpreter.py b/extron_audio_matrix/extron_audio_matrix_telnet_interpreter.py
new file mode 100644
index 0000000..0a009b3
--- /dev/null
+++ b/extron_audio_matrix/extron_audio_matrix_telnet_interpreter.py
@@ -0,0 +1,71 @@
+# DMP 128 COMMAND SET
+#
+# inputs 0 - 11
+# outputs 0 - ?
+
+from enum import *
+from dataclasses import dataclass
+
+
+class ActionType(str, Enum):
+    Gain = 'G'
+    Mute = 'M'
+
+
+class IOType(int, Enum):
+    Input: int = 40000
+    Output: int = 60000
+
+
+# IMPORTANT: for proper functionality, matrix *MUST* be set to verbose mode = 3
+
+
+@dataclass
+class EAMValue:
+    act: ActionType
+    io: IOType
+    id: int
+    val: str
+
+    def __init__(self, act, io, id, val):
+        self.act, self.io, self.id, self.val = act, io, id, val
+
+
+def field_to_eam_telnet_code(field: EAMValue) -> str:
+    _io = str(field.io + field.id)
+    _val = str(int(float(field.val) * 10) + 2048) if field.act == ActionType.Gain else \
+        (1 if field.val == "ON" else 0)
+    return f"\e{field.act}{_io}*{_val}AU\r\n"
+
+
+def eam_telnet_code_to_field(code: str) -> EAMValue:
+    if code.startswith("E"):
+        return None  # TODO error handling
+    # code.strip().removeprefix("Ds")
+    code = code[2:].strip()
+    action = ActionType(code[0])  # always the case allegedly
+    _temp = code[1:].split("*", 2)
+    _line = int(_temp[0])
+    value = int(_temp[1])
+    line_id = _line % 100
+    io_type = IOType(_line - line_id)
+    value = str((value - 2048) / 10) if action == ActionType.Gain else ('ON' if value == 1 else 'OFF')
+    # print(action.name + "\n" + io_type.name + "\n" + str(line_id) + "\n" + str(value) + \
+    #      (" dB" if action == ActionType.Gain else ""))
+    return EAMValue(action, io_type, line_id, value)
+
+
+# TODO limits on values
+
+
+# 00 naglavni 01 rocni1 02 rocni02 03 kravatniidk 04 / 05 / 06 hdmiL 97 hdmiR 08 vga1L 09 vga1R
+
+# TODO have person input dict with labels, also maybe "available" inputs
+
+"""
+Mic/line input gain controls (A) -18.0 dB to +80 dB, (1868 to 2848 ) in 0.1 dB increments.
+Input pre-mixer gains (B) -100.0 dB to +12.0 dB, (1048 to 2168) in 0.1 dB increments.
+Virtual returns, pre-mixer gains (C) -100.0 dB to +12.0 dB, (1048 to 2168) in 0.1 dB increments.
+Output trim control (post-mixer trim) (D) -12.0 dB to +12.0 dB, (1928 to 2168) in 0.1 dB increments.
+Output volume controls (E) -100.0 dB to +0.0 dB, (1048 to 2048 ) in 0.1 dB increments
+"""
diff --git a/relay_board/relay_board_controler.py b/relay_board/relay_board_controler.py
deleted file mode 100644
index ce76e39..0000000
--- a/relay_board/relay_board_controler.py
+++ /dev/null
@@ -1,2 +0,0 @@
-import gpiozero as GPIO
-