diff --git a/drivers/pid_controller/pid_controller.ipynb b/drivers/pid_controller/pid_controller.ipynb
index 60c28283638144475f18a4b5eabe584bbd092f4c..555496f92a3792154ac3bad61e3976fdff22754b 100644
--- a/drivers/pid_controller/pid_controller.ipynb
+++ b/drivers/pid_controller/pid_controller.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 6,
    "id": "a9d77d5f",
    "metadata": {},
    "outputs": [],
@@ -95,7 +95,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 7,
    "id": "2611e40e",
    "metadata": {},
    "outputs": [
@@ -108,21 +108,24 @@
     }
    ],
    "source": [
-    "relay = rl20001.RL20001('COM6')"
+    "relay = rl20001.RL20001('COM4')"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 13,
    "id": "f191cd93",
    "metadata": {},
    "outputs": [
     {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "RL20001: Communication Error Detected\n"
-     ]
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 13,
+     "metadata": {},
+     "output_type": "execute_result"
     }
    ],
    "source": [
@@ -131,27 +134,33 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 16,
    "id": "8a441d0a",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "relay.turnOn()"
+   ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 15,
    "id": "41805be6",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "relay.turnOff()"
+   ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 22,
    "id": "dbdb50c6",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "relay.close()"
+   ]
   },
   {
    "cell_type": "code",
@@ -377,10 +386,60 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 17,
    "id": "227a9eed",
    "metadata": {},
    "outputs": [],
+   "source": [
+    "dataa = '1686756740.7555332,31.015958,30.690639,30.796316,30.002601'\n",
+    "data = dataa.split(',')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "id": "3c6327de",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1686756740.7555332\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(data[0])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "id": "ef44dfda",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[31.015958, 30.690639, 30.796316, 30.002601]"
+      ]
+     },
+     "execution_count": 20,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[float(x) for x in data[1:]]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f3ffdc44",
+   "metadata": {},
+   "outputs": [],
    "source": []
   }
  ],