diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 963e4eb3..5bb1a17b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -180,28 +180,38 @@ jobs:
         if: ${{ env.run-build == 'true' }}
         run:
           |
-          for example in $(find $PWD/examples -name '*.ino' | sort); do
-            # check whether to skip this sketch
-            if [ ! -z '${{ steps.prep.outputs.skip-pattern }}' ] && [[ ${example} =~ ${{ steps.prep.outputs.skip-pattern }} ]]; then
-              # skip sketch
-              echo -e "\n\033[1;33mSkipped ${example##*/} (matched with ${{ steps.prep.outputs.skip-pattern }})\033[0m";
-            else
-              # apply special flags for LoRaWAN
-              if [[ ${example} =~ "LoRaWAN" ]]; then
-                flags="-DRADIOLIB_LORAWAN_DEV_ADDR=0 -DRADIOLIB_LORAWAN_FNWKSINT_KEY=0 -DRADIOLIB_LORAWAN_SNWKSINT_KEY=0 -DRADIOLIB_LORAWAN_NWKSENC_KEY=0 -DRADIOLIB_LORAWAN_APPS_KEY=0 -DRADIOLIB_LORAWAN_APP_KEY=0 -DRADIOLIB_LORAWAN_NWK_KEY=0 -DRADIOLIB_LORAWAN_DEV_EUI=0 -DARDUINO_TTGO_LORA32_V1"
-              fi
+          cd $PWD/extras/test/ci
+          ./build_examples.sh ${{ matrix.id }} "${{ steps.prep.outputs.skip-pattern }}" ${{ steps.prep.outputs.options }}
+      
+      - name: Parse sizes
+        if: ${{ env.run-build == 'true' }}
+        run:
+          |
+          ./parse_size.sh ${{ matrix.id }}
 
-              # build sketch
-              echo -e "\n\033[1;33mBuilding ${example##*/} ... \033[0m";
-              arduino-cli compile --libraries /home/runner/work/RadioLib --fqbn ${{ matrix.id }}${{ steps.prep.outputs.options }} --build-property compiler.cpp.extra_flags="$flags" $example --warnings=${{ steps.prep.outputs.warnings }}
-              if [ $? -ne 0 ]; then
-                echo -e "\033[1;31m${example##*/} build FAILED\033[0m\n";
-                exit 1;
-              else
-                echo -e "\033[1;32m${example##*/} build PASSED\033[0m\n";
-              fi
-            fi
-          done
+  metrics:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Clone artifact repo
+        run:
+          |
+          cd $PWD/..
+          git clone https://${{ github.actor }}:${{ secrets.TARGET_REPO_TOKEN }}@github.com/radiolib-org/artifacts.git
+          cd artifacts
+          git config --global user.name "${{ github.actor }}"
+          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
+      
+      - name: Append sizes
+        run:
+          |
+          mkdir -p radiolib-ci/l0
+          cd radiolib-ci/l0
+          cp /tmp/size_*.csv radiolib-ci/l0/.
+          rm -r /tmp/size_*.csv
+          git add .
+          git commit -m "Push artifacts from $GITHUB_REPOSITORY"
+          git push origin main
 
   esp-build:
     runs-on: ubuntu-latest
diff --git a/extras/test/ci/build_arduino.sh b/extras/test/ci/build_arduino.sh
new file mode 100755
index 00000000..1e46c100
--- /dev/null
+++ b/extras/test/ci/build_arduino.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+board=$1
+sketch=$2
+flags=$3
+warnings="all"
+
+arduino-cli compile \
+  --libraries ../../../../ \
+  --fqbn $board \
+  --build-property compiler.cpp.extra_flags="$flags" \
+  --warnings=$warnings \
+  $sketch --export-binaries
diff --git a/extras/test/ci/build_examples.sh b/extras/test/ci/build_examples.sh
new file mode 100755
index 00000000..5bb4af91
--- /dev/null
+++ b/extras/test/ci/build_examples.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+#board=arduino:avr:mega
+board="$1"
+#skip="(STM32WL|LR11x0_Firmware_Update|NonArduino)"
+skip="$2"
+#options=""
+options="$3"
+
+# file for saving the compiled binary size reports
+size_file="/tmp/size_$board.txt"
+rm -f $size_file
+
+path="../../../examples"
+for example in $(find $path -name '*.ino' | sort); do
+  # check whether to skip this sketch
+  if [ ! -z '$skip' ] && [[ ${example} =~ ${skip} ]]; then
+    # skip sketch
+    echo -e "\n\033[1;33mSkipped ${example##*/} (matched with $skip)\033[0m";
+  else
+    # apply special flags for LoRaWAN
+    if [[ ${example} =~ "LoRaWAN" ]]; then
+      flags="-DRADIOLIB_LORAWAN_DEV_ADDR=0 -DRADIOLIB_LORAWAN_FNWKSINT_KEY=0 -DRADIOLIB_LORAWAN_SNWKSINT_KEY=0 -DRADIOLIB_LORAWAN_NWKSENC_KEY=0 -DRADIOLIB_LORAWAN_APPS_KEY=0 -DRADIOLIB_LORAWAN_APP_KEY=0 -DRADIOLIB_LORAWAN_NWK_KEY=0 -DRADIOLIB_LORAWAN_DEV_EUI=0 -DARDUINO_TTGO_LORA32_V1"
+    fi
+
+    # build sketch
+    echo -e "\n\033[1;33mBuilding ${example##*/} ... \033[0m";
+    board_opts=$board$options
+    ./build_arduino.sh $board_opts $example "$flags"
+    if [ $? -ne 0 ]; then
+      echo -e "\033[1;31m${example##*/} build FAILED\033[0m\n";
+      exit 1;
+    else
+      echo -e "\033[1;32m${example##*/} build PASSED\033[0m\n";
+      dir="$(dirname -- "$example")"
+      file="$(basename -- "$example")"
+      size="$(size $dir/build/*/$file.elf)"
+      echo $size >> $size_file
+    fi
+  fi
+done
diff --git a/extras/test/ci/parse_size.sh b/extras/test/ci/parse_size.sh
new file mode 100755
index 00000000..801b6750
--- /dev/null
+++ b/extras/test/ci/parse_size.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+board=$1
+hash=$(git rev-parse --short HEAD)
+
+in_file="/tmp/size_$board.txt"
+out_file="/tmp/size_${hash}_$board.csv"
+rm -f $out_file
+
+# write the header
+echo "text,data,bss,dec,hex,filename" > "$out_file"
+
+# convert to CSV
+awk 'NR > 1 {print $7 "," $8 "," $9 "," $10 "," $11 "," $12}' "$in_file" >> "$out_file"
+
+# remove input file
+rm -f $in_file
+