diff --git a/main.py b/main.py
index 49ab0b2..02fd5f8 100644
--- a/main.py
+++ b/main.py
@@ -13,24 +13,96 @@ if ESP32 or RP2:
 else:
     from pyb import Pin, LED
 import uasyncio as asyncio
-#from primitives.switch import Switch
+
+#### OLT IR RX imports ###
+import ustruct
+from sys import platform
+import time
+import gc
+from machine import Pin, freq
+from olt_lib.ir_rx.print_error import print_error  # Optional print of error codes
+from olt_lib.ir_rx.olt import LT_24 # Import all implemented classes
+# Define IR RX pin according to platform
+if platform == "pyboard":
+    p = Pin("X3", Pin.IN)
+elif platform == "esp8266":
+    freq(160000000)
+    p = Pin(13, Pin.IN)
+elif platform == "esp32" or platform == "esp32_LoBo":
+    p = Pin(23, Pin.IN)
+elif platform == "rp2":
+    p = Pin(16, Pin.IN)
+
+#### Other imports ###
 from primitives.delay_ms import Delay_ms
 import primitives.queue as queue
 from primitives import Switch, Pushbutton
 from rgb import RGB
 
-async def main(proto):
-    onboar_led = machine.Pin("LED", machine.Pin.OUT) # Pi Pico onboard LED
 
-    while True:
-        print(f"main while running: {time.ticks_ms()}")
+### alive check ###
+async def alive_check(): 
+    # loop for checked is alive
+    onboar_led = machine.Pin("LED", machine.Pin.OUT) # Pi Pico onboard LED
+    init_ticks = time.ticks_ms()
+    while True:        
+        print(f"main while running ms: {time.ticks_ms() - init_ticks}")
         onboar_led.on()
         await asyncio.sleep_ms(100)
         onboar_led.off()
-        await asyncio.sleep(1)    
+        await asyncio.sleep_ms(900)    
+
+### OLT Start game command functions ###
+async def start_game_comand(btn, rgb):
+    print("Start game command")
+    await rgb.set_red()
+    btn.press_func(None)
+    btn.release_func(None)
+    while True:
+        btn.press.clear()
+        btn.release.clear()
+        await btn.press.wait()
+        await rgb.set_green()
+        # add IR TX here
+        await btn.release.wait()
+        await rgb.set_red()
+
+    btn.press_func(None)
+
+async def main(proto):
+    ### alive check ###
+    asyncio.create_task(alive_check())
+    
+    ### RGB ###
+    print("RGB init")
+    rgb1 = RGB()
+    
+
+    ### Buttons ###
+    print("Button init")
+    pin3 = machine.Pin(18, machine.Pin.IN, machine.Pin.PULL_UP) # Button 3 on membrane switch
+    btn3 = Pushbutton(pin3)
+    
+    btn3.release_func(None)
+    btn3.double_func(None)
+    btn3.long_func(None)
+    asyncio.create_task(start_game_comand(btn3, rgb1))
+
+    ### OLT IR RX ###
+    print("OLT IR RX init")
+    # User callback
+    def cb(byte1, byte2, byte3, packet):
+        print(f"byte1 0x{byte1:02x} byte2 0x{byte2:02x} byte3 0x{byte3:02x} packet 0x{packet:06x}")
+
+    ir = LT_24(p, cb)  # Instantiate receiver
+    ir.error_function(print_error)  # Show debug information 
+
+    while True:
+        await asyncio.sleep(1)
 
 
 
+# main async start
 try:
     asyncio.run(main(0))