diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..3f55b2f
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,25 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+
+jobs:
+  idf-build:
+    runs-on: ubuntu-latest
+    container:
+      image: espressif/idf:v5.5.2
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build firmware (ESP32-S3)
+        shell: bash
+        run: |
+          . "$IDF_PATH/export.sh"
+          idf.py set-target esp32s3
+          idf.py fullclean
+          idf.py build