diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 0f88bec..7318fd3 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -3,7 +3,7 @@ updates:
   - package-ecosystem: 'github-actions'
     directory: '/'
     schedule:
-      interval: 'daily'
+      interval: 'weekly'
     labels:
       - 'CI/CD'
     commit-message:
diff --git a/.github/workflows/build_examples.yaml b/.github/workflows/build_examples.yaml
index 702e188..ca754e3 100644
--- a/.github/workflows/build_examples.yaml
+++ b/.github/workflows/build_examples.yaml
@@ -9,10 +9,28 @@ concurrency:
 
 jobs:
   build_examples:
-    name: Build all examples with PlatformIO and the Arduino CLI
+    name: Build standard examples with PlatformIO and the Arduino CLI
     if: ${{ ! contains(github.event.head_commit.message, 'ci skip') }}
     uses: EnviroDIY/workflows/.github/workflows/build_examples.yaml@main
     with:
       boards_to_build: 'mayfly,uno,megaatmega2560,leonardo,zeroUSB,arduino_nano_esp32,feather328p,feather32u4,adafruit_feather_m0,adafruit_feather_m4,adafruit_grandcentral_m4,huzzah,featheresp32,nodemcu,nodemcuv2,esp32dev,esp32-c3-devkitm-1,esp32-s3-devkitm-1'
-      examples_to_build: 'examples/a_wild_card,examples/b_address_change,examples/c_check_all_addresses,examples/d_simple_logger,examples/e_continuous_measurement,examples/f_basic_data_request,examples/g_terminal_window,examples/h_SDI-12_slave_implementation,examples/i_SDI-12_interface,examples/j_external_pcint_library,examples/k_concurrent_logger,examples/l_verify_crc'
+      examples_to_build: 'examples/a_wild_card,examples/b_address_change,examples/c_check_all_addresses,examples/d_simple_logger,examples/e_continuous_measurement,examples/f_basic_data_request,examples/g_terminal_window,examples/h_SDI-12_slave_implementation,examples/i_SDI-12_interface,examples/k_concurrent_logger,examples/l_verify_crc'
     secrets: inherit
+  build_ext_ints:
+    name: Build the External Interrupt Example
+    runs-on: ubuntu-latest
+    if: ${{ ! contains(github.event.head_commit.message, 'ci skip') }}
+    env:
+      PLATFORMIO_BUILD_CACHE_DIR: ~/.platformio/caches
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup PlatformIO
+        uses: EnviroDIY/setup-platformio-action@v1.0.2
+
+      - name: Build PlatformIO examples
+        env:
+          PLATFORMIO_BUILD_FLAGS: -D SDI12_EXTERNAL_PCINT
+        run: pio ci --board=mayfly --board=uno --board=megaatmega2560 --board=leonardo --board=zeroUSB --board=arduino_nano_esp32 --board=feather328p --board=feather32u4 --board=adafruit_feather_m0 --board=adafruit_feather_m4 --board=adafruit_grandcentral_m4 --board=huzzah --board=featheresp32 --board=nodemcu --board=nodemcuv2 --board=esp32dev --board=esp32-c3-devkitm-1 --board=esp32-s3-devkitm-1 --project-option="lib_deps=greygnome/EnableInterrupt@^1.1.0"