diff --git a/tests/revpi4/config_connect4.rsc b/tests/revpi4/config_connect4.rsc
new file mode 100644
index 0000000..25fd350
--- /dev/null
+++ b/tests/revpi4/config_connect4.rsc
@@ -0,0 +1 @@
+{"App":{"name": "PiCtory", "version": "2.1.0","saveTS": "20230627075202","language": "en","layout": {"north":{"size":70,"initClosed":false,"initHidden":false},"south":{"size":200,"initClosed":false,"initHidden":false,"children":{"layout1":{"east":{"size":500,"initClosed":false,"initHidden":false}}}},"east":{"size":70,"initClosed":true,"initHidden":false,"children":{}},"west":{"size":253,"initClosed":false,"initHidden":false,"children":{"layout1":{}}}}},"Summary":{"inpTotal": 6,"outTotal": 7},"Devices":[{"GUID": "d2621a30-e371-87de-2b81-b301da201aa8","id": "device_RevPiConnect4_20230409_1_0_001","type": "BASE","productType": "136","position": "0","name": "RevPi Connect 4","bmk": "RevPi Connect 4","inpVariant": 0,"outVariant": 0,"comment": "This is a RevPi Connect 4 Device","offset": 0,"inp": {"0": ["RevPiStatus","0","8","0",true,"0000", "",""],"1": ["RevPiIOCycle","0","8","1",true,"0001", "",""],"2": ["RS485ErrorCnt","0","16","2",false,"0002", "",""],"3": ["Core_Temperature","0","8","4",false,"0003", "",""],"4": ["Core_Frequency","0","8","5",false,"0004", "",""]},"out": {"0": ["RevPiOutput","0","8","6",true,"0005", "",""],"1": ["RS485ErrorLimit1","10","16","7",false,"0006", "",""],"2": ["RS485ErrorLimit2","1000","16","9",false,"0007", "",""],"3": ["RevPiLED","0","16","11",true,"0008", "",""]},"mem": {},"extend": {}}],"Connections":[]}
\ No newline at end of file
diff --git a/tests/revpi4/test_connect4.py b/tests/revpi4/test_connect4.py
new file mode 100644
index 0000000..c6def4a
--- /dev/null
+++ b/tests/revpi4/test_connect4.py
@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+"""Tests for RevPi 4 devices."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2024 Sven Sager"
+__license__ = "GPLv2"
+
+from os.path import join, dirname
+
+import revpimodio2
+from tests import TestRevPiModIO
+
+
+class TestRevPi4(TestRevPiModIO):
+
+    data_dir = dirname(__file__)
+
+    def test_connect4(self):
+        rpi = self.modio(configrsc="config_connect4.rsc")
+        rpi.setdefaultvalues()
+
+        self.assertIsInstance(rpi.core, revpimodio2.device.Connect4)
+
+        # Test all LED (A1 - A5) with all colors
+        lst_led_test = [
+            (rpi.core._get_leda1, rpi.core._set_leda1),
+            (rpi.core._get_leda2, rpi.core._set_leda2),
+            (rpi.core._get_leda3, rpi.core._set_leda3),
+            (rpi.core._get_leda4, rpi.core._set_leda4),
+            (rpi.core._get_leda5, rpi.core._set_leda5),
+        ]
+        for i in range(len(lst_led_test)):
+            get_led = lst_led_test[i][0]
+            set_led = lst_led_test[i][1]
+            for k in (
+                (revpimodio2.GREEN, 2),
+                (revpimodio2.RED, 1),
+                (revpimodio2.BLUE, 4),
+                (revpimodio2.OFF, 0),
+            ):
+                set_led(k[0])
+                self.assertEqual(
+                    rpi.io.RevPiLED.get_value(),
+                    (k[1] << (i * 3)).to_bytes(2, "little"),
+                )
+                self.assertEqual(get_led(), k[0])
+            with self.assertRaises(ValueError):
+                set_led(8)
+
+        self.assertIsInstance(rpi.core.temperature, int)
+        self.assertIsInstance(rpi.core.frequency, int)
+
+        with self.assertRaises(AttributeError):
+            rpi.core.wd_toggle()
+
+        with self.assertRaisesRegex(AttributeError, r"direct assignment is not supported"):
+            rpi.core.a5green = True
+
+        rpi.exit()
+        del rpi