diff --git a/HW/timer_button/~timer_button.kicad_sch.lck b/HW/timer_button/~timer_button.kicad_sch.lck
deleted file mode 100644
index 61c7f2b..0000000
--- a/HW/timer_button/~timer_button.kicad_sch.lck
+++ /dev/null
@@ -1 +0,0 @@
-{"hostname":"Oneill","username":"angoosh"}
\ No newline at end of file
diff --git a/SW/PC/Stopwatch/main.py b/SW/PC/Stopwatch/main.py
new file mode 100644
index 0000000..227c60d
--- /dev/null
+++ b/SW/PC/Stopwatch/main.py
@@ -0,0 +1,113 @@
+import gi
+import threading
+import time
+
+gi.require_version('Gtk', '4.0')
+from gi.repository import Gtk, Gio, Gdk
+
+index = 1
+TIME = 10*60
+
+class GridRow():
+    def __init__(self, parent, runner, index):
+        self.id = runner
+        self.index = index
+        self.parent = parent
+        
+        self.grid = Gtk.Grid()
+        
+        if index % 2 == 0:
+            self.grid.set_name("lightgrid")
+        else:
+            self.grid.set_name("darkgrid")
+        
+        self.runid = Gtk.Label(label=str(runner), name="gridlabel")
+        self.runid.set_justify(2)
+        self.runid.set_width_chars(10)
+        
+        self.runb = Gtk.Label(label='00:00', name="gridlabel")
+        self.runb.set_hexpand(1)
+        
+        self.grid.attach(self.runid, 0, 0, 1, 1)
+        self.grid.attach(self.runb, 1, 0, 1, 1)
+        
+        parent.grid.attach(self.grid, 0, index, 2, 1)
+        
+        countdown=threading.Thread(target=self.updateTime)
+        countdown.start()
+        
+    def printIndex(self, button):
+        print(self.index)
+        
+    def updateTime(self):
+        t = TIME
+        while t: 
+            mins, secs = divmod(t, 60) 
+            timer = '{:02d}:{:02d}'.format(mins, secs)
+            self.runb.set_label(timer)
+            time.sleep(1) 
+            t -= 1
+            if t == 10:
+                if self.grid.get_name() == "lightgrid":
+                    self.grid.set_name("lredgrid")
+                else:
+                    self.grid.set_name("dredgrid")
+            
+        GridWindow.remRow(self.parent)
+
+class GridWindow(Gtk.ApplicationWindow):
+    def __init__(self, **kargs):
+        super().__init__(**kargs, title='Alkator Clock')
+        
+        css_provider = Gtk.CssProvider()
+        css_provider.load_from_file(Gio.File.new_for_path("style.css"))
+        Gtk.StyleContext.add_provider_for_display(Gdk.Display.get_default(), css_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
+
+        button1 = Gtk.Button(label='addrow')
+        button2 = Gtk.Button(label='rmrow')
+        
+        button1.connect("clicked", self.arb)
+        button2.connect("clicked", self.rrb)
+        
+        self.runners = []
+
+        self.grid = Gtk.Grid()
+        self.grid.attach(button1, 0, 0, 1, 1)
+        self.grid.attach(button2, 1, 0, 2, 1)
+
+        self.set_child(self.grid)
+        
+    def arb(self, button):
+        global index
+        self.runners.append(GridRow(self, index, index))
+        #self.addRow(index,index)
+        index += 1
+        
+    def rrb(self, button):
+        global index
+        self.remRow()
+        
+    def addRow(self, runner, index):
+        runid = Gtk.Label(label=str(runner))
+        runb = Gtk.Button(label='time_placeholder')
+        
+        self.grid.attach(runid, 0, index, 1, 1)
+        self.grid.attach(runb, 1, index, 1, 1)
+        
+    def remRow(self):
+        global index
+        if index > 1:
+            self.grid.remove_row(1)
+            index -= 1
+
+
+def on_activate(app):
+    # Create window
+    win = GridWindow(application=app)
+    win.present()
+
+
+app = Gtk.Application(application_id='com.example.App')
+app.connect('activate', on_activate)
+
+app.run(None)
\ No newline at end of file
diff --git a/SW/PC/Stopwatch/style.css b/SW/PC/Stopwatch/style.css
new file mode 100644
index 0000000..abad6a2
--- /dev/null
+++ b/SW/PC/Stopwatch/style.css
@@ -0,0 +1,20 @@
+#lightgrid {
+    background-color: #F0F0F0;
+}
+
+#darkgrid {
+    background-color: #D0D0D0;
+}
+
+#lredgrid {
+    background-color: #FF8888;
+}
+
+#dredgrid {
+    background-color: #FF6666;
+}
+
+#gridlabel {
+    font-size: 16pt;
+    font-weight: bold;
+}