diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..4966e2b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,33 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
+# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
+
+name: Ruby
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
+        with:
+          ruby-version: "3.1" # Not needed with a .ruby-version file
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+          cache-version: 0 # Increment this number if you need to re-download cached gems
+      - name: Run tests
+        run: bundle exec rake test
diff --git a/Gemfile b/Gemfile
index 2b361dd..c8797ff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,4 +27,6 @@ gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]
 
 gem "minimal-mistakes-jekyll", "~> 4.24"
 
-gem "html-proofer", "~> 5.0"
+group :test do
+    gem "html-proofer", "~> 5.0"
+end
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..c41945d
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,7 @@
+require 'html-proofer'
+
+task :test do
+sh "bundle exec jekyll build"
+options = { :assume_extension => true }
+HTMLProofer.check_directory("_site", options).run
+end
diff --git a/_site/Rakefile b/_site/Rakefile
new file mode 100644
index 0000000..c41945d
--- /dev/null
+++ b/_site/Rakefile
@@ -0,0 +1,7 @@
+require 'html-proofer'
+
+task :test do
+sh "bundle exec jekyll build"
+options = { :assume_extension => true }
+HTMLProofer.check_directory("_site", options).run
+end
diff --git a/_site/feed.xml b/_site/feed.xml
index 3432dec..d611767 100644
--- a/_site/feed.xml
+++ b/_site/feed.xml
@@ -1 +1 @@
-<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.3.3">Jekyll</generator><link href="http://localhost:4000/feed.xml" rel="self" type="application/atom+xml" /><link href="http://localhost:4000/" rel="alternate" type="text/html" /><updated>2024-04-14T23:00:26-07:00</updated><id>http://localhost:4000/feed.xml</id><title type="html">OPS 2.0</title><author><name>IEEE at UCLA</name></author></feed>
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.3.3">Jekyll</generator><link href="http://localhost:4000/feed.xml" rel="self" type="application/atom+xml" /><link href="http://localhost:4000/" rel="alternate" type="text/html" /><updated>2024-04-14T23:25:42-07:00</updated><id>http://localhost:4000/feed.xml</id><title type="html">OPS 2.0</title><author><name>IEEE at UCLA</name></author></feed>
\ No newline at end of file
diff --git a/_site/projects/1-back-to-the-basics/index.html b/_site/projects/1-back-to-the-basics/index.html
index f3c812d..cd93d88 100644
--- a/_site/projects/1-back-to-the-basics/index.html
+++ b/_site/projects/1-back-to-the-basics/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="1: Back to the Basics">
     <meta itemprop="description" content="Make an LED light up!">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -439,7 +439,7 @@ <h2 id="checkoff-questions">Checkoff Questions</h2>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/2-debugging/index.html b/_site/projects/2-debugging/index.html
index 9d93199..ec679fc 100644
--- a/_site/projects/2-debugging/index.html
+++ b/_site/projects/2-debugging/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="2: Debugging">
     <meta itemprop="description" content="Practice debugging circuits using a multimeter.">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -259,7 +259,7 @@ <h2 id="potential-buggy-circuits">Potential Buggy circuits</h2>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/3-integrated-circuits/index.html b/_site/projects/3-integrated-circuits/index.html
index 790f5fa..64d03d6 100644
--- a/_site/projects/3-integrated-circuits/index.html
+++ b/_site/projects/3-integrated-circuits/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="3: Integrated Circuits">
     <meta itemprop="description" content="Use a 555 timer to blink an LED and play musical notes!">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -537,7 +537,7 @@ <h3 id="part-2-1"><ins>Part 2</ins></h3>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/4-microcontrollers/index.html b/_site/projects/4-microcontrollers/index.html
index 11cb118..a031fff 100644
--- a/_site/projects/4-microcontrollers/index.html
+++ b/_site/projects/4-microcontrollers/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="4: Microcontrollers">
     <meta itemprop="description" content="An introduction to Arduino with a fun and easy project.">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -524,7 +524,7 @@ <h2 id="checkoff-questions">Checkoff Questions</h2>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/5-digital-analog-pwm/index.html b/_site/projects/5-digital-analog-pwm/index.html
index c2591a0..7cce928 100644
--- a/_site/projects/5-digital-analog-pwm/index.html
+++ b/_site/projects/5-digital-analog-pwm/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="5: Digital, Analog, and PWM">
     <meta itemprop="description" content="Play your favorite tunes with your very own iPoduino!">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -436,7 +436,7 @@ <h2 id="checkoff-questions">Checkoff Questions</h2>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/6-transistors/index.html b/_site/projects/6-transistors/index.html
index c01befd..9b8974b 100644
--- a/_site/projects/6-transistors/index.html
+++ b/_site/projects/6-transistors/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="6: Transistors">
     <meta itemprop="description" content="Learn how to build an Arduino Distance Sensor">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -485,7 +485,7 @@ <h2 id="checkoff-questions">Checkoff Questions</h2>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/7-serial-communication/index.html b/_site/projects/7-serial-communication/index.html
index 9201111..0e61fa1 100644
--- a/_site/projects/7-serial-communication/index.html
+++ b/_site/projects/7-serial-communication/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="7: Serial Communication">
     <meta itemprop="description" content="Implement a 2-Arduino game called Red Light, Green Light!">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -633,7 +633,7 @@ <h4 id="connecting-hc-05-to-windows">Connecting HC-05 to Windows</h4>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/8-communication-protocols/index.html b/_site/projects/8-communication-protocols/index.html
index 98a6928..23c36d3 100644
--- a/_site/projects/8-communication-protocols/index.html
+++ b/_site/projects/8-communication-protocols/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="8: Communication Protocols">
     <meta itemprop="description" content="Using a joystick, OLED display, and a whole lot of code you will get to create your very own GameBuino and video game to play with it!">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -544,7 +544,7 @@ <h3 id="section-two-controla-controla">Section two: controla’ controla’</h3>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/projects/9-pid-and-motor-control/index.html b/_site/projects/9-pid-and-motor-control/index.html
index 0855d50..ad0930e 100644
--- a/_site/projects/9-pid-and-motor-control/index.html
+++ b/_site/projects/9-pid-and-motor-control/index.html
@@ -36,7 +36,7 @@
 
 
 
-  <meta property="article:published_time" content="2024-04-14T23:00:26-07:00">
+  <meta property="article:published_time" content="2024-04-14T23:25:42-07:00">
 
 
 
@@ -171,7 +171,7 @@
   <article class="page" itemscope itemtype="https://schema.org/CreativeWork">
     <meta itemprop="headline" content="9: PID and Motor Control">
     <meta itemprop="description" content="Use the skills you have learned to make a path-following rodent or an RC car!">
-    <meta itemprop="datePublished" content="2024-04-14T23:00:26-07:00">
+    <meta itemprop="datePublished" content="2024-04-14T23:25:42-07:00">
     
 
     <div class="page__inner-wrap">
@@ -617,7 +617,7 @@ <h2 id="faq">FAQ</h2>
 
         
 
-  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:00:26-07:00">April 14, 2024</time></p>
+  <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time datetime="2024-04-14T23:25:42-07:00">April 14, 2024</time></p>
 
 
       </footer>
diff --git a/_site/sitemap.xml b/_site/sitemap.xml
index d5d864a..6202030 100644
--- a/_site/sitemap.xml
+++ b/_site/sitemap.xml
@@ -2,39 +2,39 @@
 <urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
 <url>
 <loc>http://localhost:4000/projects/1-back-to-the-basics/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/2-debugging/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/3-integrated-circuits/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/4-microcontrollers/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/5-digital-analog-pwm/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/6-transistors/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/7-serial-communication/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/8-communication-protocols/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/projects/9-pid-and-motor-control/</loc>
-<lastmod>2024-04-14T23:00:26-07:00</lastmod>
+<lastmod>2024-04-14T23:25:42-07:00</lastmod>
 </url>
 <url>
 <loc>http://localhost:4000/555-timer/</loc>