Add application file

app.py

@@ -1,4 +1,22 @@
+# Import libraries
 import streamlit as st
+import mne
+import matplotlib.pyplot as plt
 
-x = st.slider('Select a value')
-st.write(x, 'squared is', x * x)
+# Load the edf file
+edf_file = st.file_uploader("Upload an EEG edf file", type="edf")
+if edf_file is not None:
+    raw = mne.io.read_raw_edf(edf_file)
+    st.write(f"Loaded {edf_file.name} with {raw.info['nchan']} channels")
+
+    # Select the first channel
+    channel = raw.ch_names[0]
+    st.write(f"Selected channel: {channel}")
+
+    # Plot the first channel
+    fig, ax = plt.subplots()
+    ax.plot(raw.times, raw[channel][0].T)
+    ax.set_xlabel("Time (s)")
+    ax.set_ylabel("Amplitude (µV)")
+    ax.set_title(f"EEG signal of {channel}")
+    st.pyplot(fig)