diff --git a/homeassistant/components/versasense/__init__.py b/homeassistant/components/versasense/__init__.py
index 71ce25c11ad..9b1e90b698d 100644
--- a/homeassistant/components/versasense/__init__.py
+++ b/homeassistant/components/versasense/__init__.py
@@ -50,8 +50,8 @@ async def _configure_entities(hass, config, consumer):
     devices = await consumer.fetchDevices()
     _LOGGER.debug(devices)
 
-    sensor_info_list = []
-    switch_info_list = []
+    sensor_info_list = {}
+    switch_info_list = {}
 
     for mac, device in devices.items():
         _LOGGER.info("Device connected: %s %s", device.name, mac)
@@ -87,7 +87,8 @@ def _add_entity_info_to_list(peripheral, device, entity_info_list):
             KEY_PARENT_MAC: device.mac,
         }
 
-        entity_info_list.append(entity_info)
+        key = f"{entity_info[KEY_PARENT_MAC]}/{entity_info[KEY_IDENTIFIER]}/{entity_info[KEY_MEASUREMENT]}"
+        entity_info_list[key] = entity_info
 
     return entity_info_list
 
diff --git a/homeassistant/components/versasense/sensor.py b/homeassistant/components/versasense/sensor.py
index 50982e92d12..197ac9be250 100644
--- a/homeassistant/components/versasense/sensor.py
+++ b/homeassistant/components/versasense/sensor.py
@@ -1,7 +1,12 @@
 """Support for VersaSense sensor peripheral."""
+from __future__ import annotations
+
 import logging
 
 from homeassistant.components.sensor import SensorEntity
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import DOMAIN
 from .const import (
@@ -16,7 +21,12 @@ from .const import (
 _LOGGER = logging.getLogger(__name__)
 
 
-async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+async def async_setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    async_add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up the sensor platform."""
     if discovery_info is None:
         return None
@@ -25,7 +35,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
 
     sensor_list = []
 
-    for entity_info in discovery_info:
+    for entity_info in discovery_info.values():
         peripheral = hass.data[DOMAIN][entity_info[KEY_PARENT_MAC]][
             entity_info[KEY_IDENTIFIER]
         ]
diff --git a/homeassistant/components/versasense/switch.py b/homeassistant/components/versasense/switch.py
index 78eadffea34..58181229ae8 100644
--- a/homeassistant/components/versasense/switch.py
+++ b/homeassistant/components/versasense/switch.py
@@ -1,7 +1,12 @@
 """Support for VersaSense actuator peripheral."""
+from __future__ import annotations
+
 import logging
 
 from homeassistant.components.switch import SwitchEntity
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import DOMAIN
 from .const import (
@@ -18,7 +23,12 @@ from .const import (
 _LOGGER = logging.getLogger(__name__)
 
 
-async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+async def async_setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    async_add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up actuator platform."""
     if discovery_info is None:
         return None
@@ -27,7 +37,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
 
     actuator_list = []
 
-    for entity_info in discovery_info:
+    for entity_info in discovery_info.values():
         peripheral = hass.data[DOMAIN][entity_info[KEY_PARENT_MAC]][
             entity_info[KEY_IDENTIFIER]
         ]