diff --git a/main.py b/main.py
new file mode 100644
index 0000000..811975d
--- /dev/null
+++ b/main.py
@@ -0,0 +1,237 @@
+from machine import Pin, I2C
+from ssd1306 import SSD1306_I2C
+import time
+import bme280
+
+
+# Screen is 128 x 32px
+# Screen runs on gp0(sda) and gp1(scl)
+# Expansion modules run on pins GP3-GP15
+# See pi pico pinout for specific pin capabilities
+# Modules can only be fed 3.n volts. 5 volt module support may be added in the future with a per-port switch.
+# To add an app or module software; Write the module in the dedicated block. In the future apps and module software will be seperate files.
+# This is VERY pre-pre-pre-alpha dev software. Don't expect fantastic functionality. Schematics to the device coming soon.
+# 3D printing files will also be available soon for a shell.
+
+
+i2c=I2C(0,sda=Pin(0), scl=Pin(1), freq=400000)
+oled = SSD1306_I2C(128, 32, i2c)
+button1 = Pin(19, Pin.IN, Pin.PULL_DOWN) #Up
+button2 = Pin(20, Pin.IN, Pin.PULL_DOWN) #Right
+button3 = Pin(18, Pin.IN, Pin.PULL_DOWN) #Down
+button4 = Pin(21, Pin.IN, Pin.PULL_DOWN) #Left
+button5 = Pin(27, Pin.IN, Pin.PULL_DOWN) #Menu_1 / enter
+button6 = Pin(22, Pin.IN, Pin.PULL_DOWN) #Menu_2
+button7 = Pin(28, Pin.IN, Pin.PULL_DOWN) #Menu_3
+button8 = Pin(26, Pin.IN, Pin.PULL_DOWN) #Menu_4 
+
+version = 0.1
+
+is_menu = True
+is_app_menu = False
+is_module_menu = False
+
+menu_item = 0
+app_menu_item = 0
+module_menu_item = 1
+
+home_items = ["home", "apps", "modules", "info"]
+app_list = ["calculator","home"]
+module_list = ["home", "emf", "flashlight"]
+
+def startup():
+    oled.text("Fossdeck", 16, 0)
+    oled.text("Mk0",36,10)
+    oled.text("WFX Engineering",0,25)
+    oled.show()
+    time.sleep(2)
+    cls()
+    oled.text("v" + str(version), 10, 0)
+    oled.show()
+    time.sleep(1)
+
+def menu_display():
+    cls()
+    oled.text(home_items[menu_item], 44, 0)
+    if menu_item == 0:
+        oled.text(">", 118, 22)
+    elif menu_item == len(home_items) - 1:
+        oled.text("<", 0, 22)
+    else:
+        oled.text("<", 0, 22)
+        oled.text(">", 118, 22)
+    oled.show()
+
+def menu_nav():
+    global menu_item
+    if button1.value():
+        print("up")
+    elif button2.value():
+        if menu_item < len(home_items) - 1:
+            menu_item += 1
+            menu_display()
+            time.sleep(0.2)
+    elif button3.value():
+        print("down")
+    elif button4.value():
+        if menu_item > 0:
+            menu_item = menu_item - 1
+            menu_display()
+            time.sleep(0.2)
+    elif button5.value():
+        system_menu_master(home_items[menu_item])
+    #todo: Add buttons 5-8 and assign functions. On the main menu only 5 does anything (enters into that option)
+            #Creat a function that takes whatever current item is shown, then call that function based on the name.
+            #EG call menu.items[menu_item] + () or something. So if that expression is saay apps, it'll be apps() 
+
+#######################################################################################################
+#APPS BLOCK#########################################################################################
+#######################################################################################################
+def apps():
+    time.sleep(0.2)
+    global is_menu
+    global is_app_menu
+    global app_menu_item
+    global app_list
+    global is_module_menu
+    
+    if is_app_menu == False:
+        app_menu_display()
+    is_app_menu = True
+    is_menu = False
+    is_module_menu = False
+    if button1.value():
+        print("up")
+    elif button2.value():
+        if app_menu_item < len(app_list) - 1:
+            app_menu_item += 1
+            app_menu_display()
+            time.sleep(0.2)
+    elif button3.value():
+        print("down")
+    elif button4.value():
+        if app_menu_item > 0:
+            app_menu_item = app_menu_item - 1
+            app_menu_display()
+            time.sleep(0.2)
+    elif button5.value():
+        system_menu_master(app_list[app_menu_item])
+         
+
+def app_menu_display():
+    cls()
+    oled.text(app_list[app_menu_item], 44, 0)
+    if app_menu_item == 0:
+        oled.text(">", 118, 22)
+    elif app_menu_item == len(app_list) - 1:
+        oled.text("<", 0, 22)
+    else:
+        oled.text("<", 0, 22)
+        oled.text(">", 118, 22)
+    oled.show()
+    
+def calculator():
+    cls()
+    oled.text("Coming soon",0,0)
+    oled.show()
+    time.sleep(5)
+    app_menu_display()
+    
+#######################################################################################################
+#MODULES BLOCK#########################################################################################
+#######################################################################################################
+def modules():
+    time.sleep(0.2)
+    global is_menu
+    global is_app_menu
+    global is_module_menu
+    global module_menu_item
+    global module_list
+    
+    if is_module_menu == False:
+        module_menu_display()
+        is_module_menu = True
+        is_app_menu = False
+        is_menu = False
+    if button1.value():
+        print("up")
+    elif button2.value():
+        if module_menu_item < len(module_list) - 1:
+            module_menu_item += 1
+            module_menu_display()
+            time.sleep(0.2)
+    elif button3.value():
+        print("down")
+    elif button4.value():
+        if module_menu_item > 0:
+            module_menu_item = module_menu_item - 1
+            module_menu_display()
+            time.sleep(0.2)
+    elif button5.value():
+        system_menu_master(module_list[module_menu_item])
+
+def module_menu_display():
+    cls()
+    oled.text(module_list[module_menu_item], 44, 0)
+    if module_menu_item == 0:
+        oled.text(">", 118, 22)
+    elif module_menu_item == len(module_list) - 1:
+        oled.text("<", 0, 22)
+    else:
+        oled.text("<", 0, 22)
+        oled.text(">", 118, 22)
+    oled.show()
+
+#######################################################################################################
+#INFO BLOCK#########################################################################################
+#######################################################################################################
+
+
+def info():
+    cls()
+    oled.text("v" + str(version),0,0)
+    oled.text("RP2040 CPU",0,10)
+    oled.text("1MB flash",0,20)
+    oled.show()
+    time.sleep(5)
+    cls()
+    menu_display()
+
+
+#######################################################################################################
+#GENERICS BLOCK#########################################################################################
+#######################################################################################################
+def cls():    
+    oled.fill(0)
+    oled.show()
+
+def system_menu_master(inp):
+    eval(inp + "()")
+
+def home():
+    global is_menu
+    global is_app_menu
+    global is_module_menu
+    is_app_menu = False
+    is_menu = True
+    is_module_menu = False
+    time.sleep(0.2)
+    menu_display()
+
+
+
+startup()
+
+cls()
+
+menu_display()
+
+
+while True:
+    while is_menu:
+        menu_nav()
+    while is_app_menu:
+        apps()
+    while is_module_menu:
+        modules()
+