diff --git a/pyrelacs/input.py b/pyrelacs/input.py
index 12a341a..c1515bc 100644
--- a/pyrelacs/input.py
+++ b/pyrelacs/input.py
@@ -1,12 +1,17 @@
+from typing import Optional
+
 import uldaq
 from IPython import embed
 import typer
+from typing_extensions import Annotated
+import matplotlib.pyplot as plt
 
 from pyrelacs.util.logging import config_logging
 
 log = config_logging()
 
-class ReadData():
+
+class ReadData:
     def __init__(self) -> None:
         devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
         log.debug(f"Found daq devices {len(devices)}, connecting to the first one")
@@ -14,16 +19,35 @@ class ReadData():
         self.daq_device.connect()
         log.debug("Connected")
 
-    def read_analog_in(self): 
+    def read_analog_in(self, channel: Annotated[Optional[int], typer.Argument()] = 0):
         # Get the Ananlog In device and Analog Info
         ai_device = self.daq_device.get_ai_device()
-        ai_info = self.daq_device.get_info()
-
-
-
-
-
-
-if __name__ == '__main__':
-    daq_input = Input_daq()
-
+        ai_info = ai_device.get_info()
+        log.debug(
+            f"Analog info,\n Channels available {ai_info.get_num_chans()}, \n Max Samplerate: {ai_info.get_max_scan_rate()}"
+        )
+        buffer_len = 1_000_000
+        buf = uldaq.create_float_buffer(1, buffer_len)
+
+        er = ai_device.a_in_scan(
+            1,
+            1,
+            uldaq.AiInputMode.SINGLE_ENDED,
+            uldaq.Range.BIP10VOLTS,
+            buffer_len,
+            500_000,
+            uldaq.ScanOption.DEFAULTIO,
+            uldaq.AInScanFlag.DEFAULT,
+            data=buf,
+        )
+        ai_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, timeout=-1)
+        log.debug("Scanning")
+        embed()
+
+        self.daq_device.disconnect()
+        self.daq_device.release()
+
+
+if __name__ == "__main__":
+    daq_input = ReadData()
+    typer.run(daq_input.read_analog_in)