diff --git a/.github/workflows/sfy-buoy.yml b/.github/workflows/sfy-buoy.yml
index d5804b71..6b441acb 100644
--- a/.github/workflows/sfy-buoy.yml
+++ b/.github/workflows/sfy-buoy.yml
@@ -41,7 +41,7 @@ jobs:
 
       - name: Build (buoy)
         working-directory: sfy-buoy/sfy-artemis
-        run: cargo build --verbose
+        run: cargo build --verbose --release
 
       - name: Test (host-tests)
         working-directory: sfy-buoy/
@@ -51,3 +51,68 @@ jobs:
         working-directory: sfy-buoy/target-test
         run: cargo build --verbose --tests
 
+      - name: Build firmware (default)
+        working-directory: sfy-buoy/
+        run: |
+          mkdir -p target/bins
+          make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-default-no-storage.bin
+
+          CARGO_FLAGS="--features storage" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-default-with-storage.bin
+
+      - name: Build firmware (5 min GPS)
+        working-directory: sfy-buoy/
+        run: |
+          mkdir -p target/bins
+          GPS_PERIOD=300 GPS_HEARTBEAT=-5 SYNC_PERIOD=20 make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-5min-gps-no-storage.bin
+
+          GPS_PERIOD=300 GPS_HEARTBEAT=-5 SYNC_PERIOD=20 CARGO_FLAGS="--features storage" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-5min-gps-with-storage.bin
+
+
+      - name: Build firmware (surf)
+        working-directory: sfy-buoy/
+        run: |
+          mkdir -p target/bins
+          GPS_PERIOD=300 GPS_HEARTBEAT=-5 SYNC_PERIOD=20 CARGO_FLAGS="--features surf" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-surf-no-storage.bin
+
+          GPS_PERIOD=300 GPS_HEARTBEAT=-5 SYNC_PERIOD=20 CARGO_FLAGS="--features surf,storage" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-surf-with-storage.bin
+
+      - name: Build firmware (26Hz, 10min GPS, drifter)
+        working-directory: sfy-buoy/
+        run: |
+          mkdir -p target/bins
+          GPS_PERIOD=300 GPS_HEARTBEAT=-5 SYNC_PERIOD=20 CARGO_FLAGS="--features 20Hz" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-26Hz-drifter-no-storage.bin
+
+          GPS_PERIOD=300 GPS_HEARTBEAT=-5 SYNC_PERIOD=20 CARGO_FLAGS="--features 20Hz,storage" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-26Hz-drifter-with-storage.bin
+
+      - name: Build firmware (Mooring, 1h gps, 26Hz)
+        working-directory: sfy-buoy/
+        run: |
+          mkdir -p target/bins
+          GPS_PERIOD=3600 GPS_HEARTBEAT=1 SYNC_PERIOD=40 CARGO_FLAGS="--features 20Hz" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-26Hz-mooring-no-storage.bin
+
+          GPS_PERIOD=3600 GPS_HEARTBEAT=1 SYNC_PERIOD=40 CARGO_FLAGS="--features 20Hz,storage" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-26Hz-mooring-with-storage.bin
+
+      - name: Build firmware (Mooring, 1h gps, 52Hz)
+        working-directory: sfy-buoy/
+        run: |
+          mkdir -p target/bins
+          GPS_PERIOD=3600 GPS_HEARTBEAT=1 SYNC_PERIOD=40 make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-52Hz-mooring-no-storage.bin
+
+          GPS_PERIOD=3600 GPS_HEARTBEAT=1 SYNC_PERIOD=40 CARGO_FLAGS="--features storage" make T=r bin
+          mv target/sfy-buoy.bin target/bins/sfy-fw-52Hz-mooring-with-storage.bin
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: firmware
+          path: sfy-buoy/target/bins