Adjust temperature offset value for WiFi mode

Author: davidkreidler

.github/workflows/arduino_build.yml

@@ -10,7 +10,8 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v2
 
-      - uses: arduino/compile-sketches@v1
+      - name: Compile sketch
+        uses: arduino/compile-sketches@v1
         with:
           fqbn: "esp32:esp32:esp32s2"
           platforms: |
@@ -25,4 +26,57 @@ jobs:
             - name: esp32-waveshare-epd
               source-path: ./esp32-waveshare-epd
           sketch-paths: |
-            - .
+            - .
+          cli-compile-flags: |
+            --output-dir build
+
+      - name: Create FIRMWARE.BIN
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          if [[ ! -d build ]]; then
+            echo "ERROR: build/ directory not found."
+            echo "Workspace directories:"
+            find . -maxdepth 3 -type d -print
+            exit 1
+          fi
+
+          echo "Build outputs:"
+          find build -type f -maxdepth 3 -print
+
+          # Pick the main application bin:
+          # - exclude bootloader/partitions/ota data
+          # - choose the largest remaining .bin (typically the app firmware)
+          BIN="$(
+            find build -type f -name '*.bin' \
+              ! -name '*bootloader*' \
+              ! -name '*partitions*' \
+              ! -name '*ota_data_initial*' \
+              -printf '%s %p\n' \
+            | sort -nr \
+            | head -n 1 \
+            | awk '{print $2}'
+          )"
+
+          if [[ -z "${BIN:-}" || ! -f "$BIN" ]]; then
+            echo "ERROR: Could not identify firmware .bin in build/"
+            echo "All .bin files found:"
+            find build -type f -name '*.bin' -print
+            exit 1
+          fi
+
+          echo "Selected firmware bin: $BIN"
+          cp "$BIN" FIRMWARE.BIN
+
+      - name: Upload firmware artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: firmware
+          path: FIRMWARE.BIN
+
+      - name: Upload full build outputs (optional)
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-outputs
+          path: build/

OpenCO2_Sensor.ino

@@ -317,7 +317,7 @@ void loadCredentials() {
 
 float getTempOffset() {
   if (!BatteryMode) {
-    if (useWiFi) return 12.2;
+    if (useWiFi) return 11.0;
     return 4.4;
   } else {
     return 0.0; // was with periodic measurment 0.8