diff --git a/examples/http_server_asyncio.py b/examples/http_server_asyncio.py
index a62899b..b253044 100644
--- a/examples/http_server_asyncio.py
+++ b/examples/http_server_asyncio.py
@@ -14,12 +14,13 @@
 import asyncio
 from datetime import datetime
 from multiprocessing import Manager
+from multiprocessing.managers import DictProxy
+from queue import Queue
 
 from aiohttp import web
 
 from ruuvitag_sensor.ruuvi import RuuviTagSensor
 
-
 tags: dict[str, str] = {
     # "F4:A5:74:89:16:57": "kitchen",
     # "CC:2C:6A:1E:59:3D": "bedroom",
@@ -27,16 +28,16 @@
 }
 
 
-async def run_get_data_background(macs_to_fetch, queue):
+async def run_get_data_background(macs_to_fetch: list[str], queue: Queue):
     """
     Background process from RuuviTag Sensors
     """
     async for sensor_data in RuuviTagSensor.get_data_async(macs_to_fetch):
-        sensor_data[1]["time"] = str(datetime.now())
+        sensor_data[1]["time"] = str(datetime.now())  # type: ignore
         queue.put(sensor_data)
 
 
-async def data_update(queue, shared_data):
+async def data_update(queue: Queue, shared_data: DictProxy):
     """
     Update data sent by the background process to global all_data variable
     """
@@ -48,34 +49,34 @@ async def data_update(queue, shared_data):
         await asyncio.sleep(0.5)
 
 
-async def get_all_data(_, shared_data):
+async def get_all_data(_: web.Request, shared_data: DictProxy):
     return web.json_response(dict(shared_data))
 
 
-async def get_data(request, shared_data):
+async def get_data(request: web.Request, shared_data: DictProxy):
     mac = request.match_info.get("mac")
     if mac not in shared_data:
         return web.json_response(status=404)
     return web.json_response(dict(shared_data[mac]))
 
 
-def setup_routes(application, shared_data):
+def setup_routes(application: web.Application, shared_data: DictProxy):
     application.router.add_get("/data", lambda request: get_all_data(request, shared_data))
     application.router.add_get("/data/{mac}", lambda request: get_data(request, shared_data))
 
 
 if __name__ == "__main__":
     m = Manager()
-    data = m.dict()
-    q = m.Queue()
+    data: DictProxy = m.dict()
+    q: Queue = m.Queue()
 
     macs = list(tags.keys())
 
-    async def start_background_tasks(application):
+    async def start_background_tasks(application: web.Application):
         application["run_get_data"] = asyncio.create_task(run_get_data_background(macs, q))
         application["data_updater"] = asyncio.create_task(data_update(q, data))
 
-    async def cleanup_background_tasks(application):
+    async def cleanup_background_tasks(application: web.Application):
         application["run_get_data"].cancel()
         application["data_updater"].cancel()
         await asyncio.gather(app["run_get_data"], app["data_updater"], return_exceptions=True)
diff --git a/examples/http_server_asyncio_rx.py b/examples/http_server_asyncio_rx.py
index fe8ec97..241eea9 100644
--- a/examples/http_server_asyncio_rx.py
+++ b/examples/http_server_asyncio_rx.py
@@ -13,10 +13,12 @@
 
 import asyncio
 from multiprocessing import Manager
+from multiprocessing.managers import DictProxy
 
 from aiohttp import web
-from ruuvitag_sensor.ruuvi_rx import RuuviTagReactive
 
+from ruuvitag_sensor.ruuvi_rx import RuuviTagReactive
+from ruuvitag_sensor.ruuvi_types import MacAndSensorData
 
 tags: dict[str, str] = {
     # "F4:A5:74:89:16:57": "kitchen",
@@ -25,25 +27,25 @@
 }
 
 
-async def get_all_data(_, shared_data):
+async def get_all_data(_: web.Request, shared_data: DictProxy):
     return web.json_response(dict(shared_data))
 
 
-async def get_data(request, shared_data):
+async def get_data(request: web.Request, shared_data: DictProxy):
     mac = request.match_info.get("mac")
     if mac not in shared_data:
         return web.json_response(status=404)
     return web.json_response(dict(shared_data[mac]))
 
 
-async def run_get_data_background(known_tags, shared_data):
+async def run_get_data_background(known_tags: dict[str, str], shared_data: DictProxy):
     """
     Background process from RuuviTag Sensors
     """
 
-    def handle_new_data(data):
+    def handle_new_data(data: MacAndSensorData):
         mac, sensor_data = data
-        sensor_data["name"] = known_tags.get(mac, "unknown")
+        sensor_data["name"] = known_tags.get(mac, "unknown")  # type: ignore
         shared_data[data[0]] = sensor_data
 
     ruuvi_rx = RuuviTagReactive(list(known_tags.keys()))
@@ -51,19 +53,19 @@ def handle_new_data(data):
     data_stream.subscribe(handle_new_data)
 
 
-def setup_routes(application, shared_data):
+def setup_routes(application: web.Application, shared_data: DictProxy):
     application.router.add_get("/data", lambda request: get_all_data(request, shared_data))
     application.router.add_get("/data/{mac}", lambda request: get_data(request, shared_data))
 
 
 if __name__ == "__main__":
     m = Manager()
-    data = m.dict()
+    data: DictProxy = m.dict()
 
-    async def start_background_tasks(application):
+    async def start_background_tasks(application: web.Application):
         application["run_get_data"] = asyncio.create_task(run_get_data_background(tags, data))
 
-    async def cleanup_background_tasks(application):
+    async def cleanup_background_tasks(application: web.Application):
         application["run_get_data"].cancel()
         await asyncio.gather(app["run_get_data"], return_exceptions=True)
         print("Background tasks shut down.")