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+++ b/aa174a_aut2425/index.html
@@ -171,7 +171,7 @@ <h3>Schedule</h3>
               <td class="tg-vnl4">
                 <!-- Week 1 Sections -->
                 <a href="https://alvinsun.notion.site/Section-1-UNIX-Git-and-Python-15b189c0822449efa86cab4313417d18?pvs=4">Section 1 Handout</a><br/>
-                <!-- <a href="pdfs/section/s1.pdf">Section 1 Slides</a> -->
+                <a href="pdfs/section/section_1_slides.pdf">Section 1 Slides</a>
               </td>
             </tr>
             <tr>
@@ -193,6 +193,7 @@ <h3>Schedule</h3>
                 <!-- Week 2 Sections -->
                 <!-- <a href="https://alvinsun.notion.site/Section-2-ROS-Workspaces-Packages-Nodes-302d8546ed8d46f0b9227db0b0f06644?pvs=4">Section 2 Handout</a> -->
                 <a href="https://ishikaa.notion.site/Section-2-ROS-Workspaces-Packages-Nodes-10e16ad78705813087fbf959a6a4719a?pvs=4">Section 2 Handout</a>
+                <br/><a href="pdfs/section/section_2_slides.pdf">Section 2 Slides</a>
               </td>
             </tr>
             <tr>
@@ -217,6 +218,7 @@ <h3>Schedule</h3>
               <td class="tg-vnl4">
                 <!-- Week 3 Sections -->
                 <a href="https://ishikaa.notion.site/Section-3-RViz-Launch-Files-CMake-10e16ad78705816f95bfdf4fde42fee8?pvs=4">Section 3 Handout</a>
+                <br/><a href="pdfs/section/section_3_slides.pdf">Section 3 Slides</a>
               </td>
             </tr>
             <tr>
@@ -224,12 +226,13 @@ <h3>Schedule</h3>
               <td class="tg-vnl4">
               Graph search algorithms
               <br>Sampling-based motion planning
-              <br> <span style="font-style:italic">Friday: HW2 due</span>
               </td>
               <td class="tg-vnl4">
                 <!-- Week 4 Lecture Slides -->
                 <a href="pdfs/lecture/lecture_7.pdf">Lecture 7</a>
                 <br/><a href="pdfs/lecture/lecture_8.pdf">Lecture 8</a>
+                <br/><a href="pdfs/exams/AA174A_Midterm_2023.pdf">Practice Midterm</a>
+                <br/><a href="pdfs/exams/AA174A_Midterm_Sol_2023.pdf">Practice Midterm Solution</a>
               </td>
               <td class="tg-vnl4">
                 <!-- Week 4 Notebook -->
@@ -239,6 +242,7 @@ <h3>Schedule</h3>
               <td class="tg-vnl4">
                 <!-- Week 4 Sections -->
                 <a href="https://ishikaa.notion.site/Section-4-Controller-Gain-Tuning-in-Hardware-10e16ad787058183b104c98822449eb8?pvs=4">Section 4 Handout</a>
+                <br/><a href="pdfs/section/section_4_slides.pdf">Section 4 Slides</a>
               </td>
             </tr>
             <tr>
@@ -246,6 +250,7 @@ <h3>Schedule</h3>
               <td class="tg-vnl4">
               Robotic sensors & introduction to computer vision
               <br>Camera models & coordinate frames
+              <br> <span style="font-style:italic">Monday: HW2 due</span>
               <br> <span style="font-style:italic">Tuesday: HW3 out</span>
               </td>
               <td class="tg-vnl4">
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