diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..1eab21f
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,27 @@
+name: Build
+
+on:
+  pull_request:
+  push:
+    branches-ignore:
+      - gh-pages
+
+jobs: 
+  build:
+    container:
+      image: ghcr.io/armmbed/mbed-os-env:latest
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Compile starter-project app
+        run: make
+        working-directory: 'apps/starter-project'
+      - name: Compile accelerometer-test app
+        run: make
+        working-directory: 'apps/accelerometer-test'
+      - name: Upload UF2
+        uses: actions/upload-artifact@v2
+        with:
+          name: watch.uf2
+          path: apps/**/build/watch.uf2
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
new file mode 100644
index 0000000..89d676a
--- /dev/null
+++ b/.github/workflows/gh-pages.yml
@@ -0,0 +1,22 @@
+name: GitHub Pages
+
+#on:
+#  push:
+#    branches:
+#      - main
+on: [pull_request, push]
+
+jobs:
+  gh-pages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Doxygen Action
+        uses: mattnotmitt/doxygen-action@v1
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: gh-pages
+          publish_dir: docs/
diff --git a/.gitignore b/.gitignore
index 4c97e2d..1100e91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,17 +1,19 @@
-.DS_Store
-*.s#*
+**/build/
 *.b#*
-*.pro
-*.job
-
 *.bin
+*.d
 *.elf
 *.hex
+*.job
 *.lss
 *.map
+*.o
+*.pro
+*.s#*
 *.uf2
 *srec
-*.o
-*.d
+.DS_Store
+.idea/
 .vs
 .vscode
+docs/
\ No newline at end of file
diff --git a/Doxyfile b/Doxyfile
index da71019..7f04a04 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -8,7 +8,7 @@ PROJECT_NAME           = "Sensor Watch"
 PROJECT_NUMBER         = "0.0.0"
 PROJECT_BRIEF          = "A board replacement for the classic Casio F-91W wristwatch, powered by a Microchip SAM L22 microcontroller."
 PROJECT_LOGO           =
-OUTPUT_DIRECTORY       = "../Sensor-Watch-Documentation"
+OUTPUT_DIRECTORY       = "."
 CREATE_SUBDIRS         = NO
 ALLOW_UNICODE_NAMES    = NO
 OUTPUT_LANGUAGE        = English
diff --git a/apps/accelerometer-test/make/Makefile b/apps/accelerometer-test/Makefile
similarity index 68%
rename from apps/accelerometer-test/make/Makefile
rename to apps/accelerometer-test/Makefile
index c66ad20..5534c17 100755
--- a/apps/accelerometer-test/make/Makefile
+++ b/apps/accelerometer-test/Makefile
@@ -1,10 +1,10 @@
-TOP = ../../..
+TOP = ../..
 include $(TOP)/make.mk
 
 INCLUDES += \
-  -I../
+  -I./
 
 SRCS += \
-  ../app.c
+  ./app.c
 
 include $(TOP)/rules.mk
diff --git a/apps/accelerometer-test/make/.gitignore b/apps/accelerometer-test/make/.gitignore
deleted file mode 100755
index 567609b..0000000
--- a/apps/accelerometer-test/make/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-build/
diff --git a/apps/beats-time/make/.gitignore b/apps/beats-time/make/.gitignore
deleted file mode 100755
index 3722ac6..0000000
--- a/apps/beats-time/make/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-build/
diff --git a/apps/buzzer-test/make/.gitignore b/apps/buzzer-test/make/.gitignore
deleted file mode 100755
index 3722ac6..0000000
--- a/apps/buzzer-test/make/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-build/
diff --git a/apps/spi-test/make/.gitignore b/apps/spi-test/make/.gitignore
deleted file mode 100755
index 3722ac6..0000000
--- a/apps/spi-test/make/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-build/
diff --git a/apps/starter-project/make/Makefile b/apps/starter-project/Makefile
similarity index 76%
rename from apps/starter-project/make/Makefile
rename to apps/starter-project/Makefile
index 09a59a0..7cb3c48 100755
--- a/apps/starter-project/make/Makefile
+++ b/apps/starter-project/Makefile
@@ -1,26 +1,26 @@
 # Leave these lines at the top of the file.
 # TOP should get us to the root of the project...
-TOP = ../../..
+TOP = ../..
 # ...and make.mk has all the watch library sources and includes.
 include $(TOP)/make.mk
 
-# If you add any other subdirectories with header files you wish to include, add them after ../
+# If you add any other subdirectories with header files you wish to include, add them after ./
 # Note that you will need to add a backslash at the end of any line you wish to continue, i.e.
 # INCLUDES += \
-#   -I../ \
-#   -I../drivers/ \
-#   -I../utils/
+#   -I./ \
+#   -I drivers/ \
+#   -I utils/
 INCLUDES += \
-  -I../ \
+  -I./ \
 
-# If you add any other source files you wish to compile, add them after ../app.c
+# If you add any other source files you wish to compile, add them after app.c
 # Note that you will need to add a backslash at the end of any line you wish to continue, i.e.
 # SRCS += \
-#   ../app.c \
-#   ../drivers/bmp280.c \
-#   ../utils/temperature.c
+#   ./app.c \
+#   ./drivers/bmp280.c \
+#   ./utils/temperature.c
 SRCS += \
-  ../app.c \
+  ./app.c \
 
 # Leave this line at the bottom of the file; rules.mk has all the targets for making your project.
 include $(TOP)/rules.mk
diff --git a/apps/starter-project/make/.gitignore b/apps/starter-project/make/.gitignore
deleted file mode 100755
index 3722ac6..0000000
--- a/apps/starter-project/make/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-build/
diff --git a/make.mk b/make.mk
index f6a37c7..f130173 100644
--- a/make.mk
+++ b/make.mk
@@ -20,7 +20,8 @@ else
   MKDIR = mkdir
 endif
 
-CFLAGS += -W -Wall --std=gnu99 -Os
+CFLAGS += -W -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations
+CFLAGS += --std=gnu99 -Os
 CFLAGS += -fno-diagnostics-show-caret
 CFLAGS += -fdata-sections -ffunction-sections
 CFLAGS += -funsigned-char -funsigned-bitfields