diff --git a/extra_pre.py b/extra_pre.py
index 59de58e..7f02959 100644
--- a/extra_pre.py
+++ b/extra_pre.py
@@ -170,12 +170,22 @@ def prebuild(env):
         print("Production version style")
         version = env.GetProjectOption('custom_version')
 
+    # get hardware compiler option
+    pcbvers = "unknown"
+    for x in env["BUILD_FLAGS"]:
+        if not x.startswith('-D'):
+            continue
+        opt = x[2:].strip()
+        if opt.startswith("HARDWARE_"):
+            pcbvers = x.split('_')[1].lower()
+
     now = datetime.utcnow()
     env.Append(
         CPPDEFINES=[
             ('FWVERSION', version),
             ("FWBUILDDATE", f"{now:%Y-%m-%d}"),
             ("FWBUILDTIME", f"{now:%H:%M:%S}"),
+            ("HWVERSION", pcbvers)
         ]
     )
 
diff --git a/include/main.h b/include/main.h
index 8ac5d4f..bbbb381 100644
--- a/include/main.h
+++ b/include/main.h
@@ -28,6 +28,12 @@
 #define VERSION STRINGIFY(FWVERSION)
 #endif
 
+#ifndef HWVERSION
+#define PCBVERSION "*undef*"
+#else
+#define PCBVERSION STRINGIFY(HWVERSION)
+#endif
+
 #ifndef BUILD_DATE
 #define BUILD_DATE STRINGIFY(FWBUILDDATE)
 #endif
diff --git a/platformio.ini b/platformio.ini
index fb2afdd..e8ead7c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,7 +13,6 @@ lib_deps =
     ESP32Async/AsyncTCP@3.4.9
     ESP32Async/ESPAsyncWebServer@3.9.1
     ttlappalainen/NMEA2000-library@4.24
-    # https://github.com/thooge/NMEA2000.git
     robtillaart/SHT31@^0.5.2
 
 # only these files will be emedded into firmware
@@ -44,7 +43,7 @@ build_flags =
 build_unflags =
     -std=gnu++11
 
-custom_version = 0.2.0
+custom_version = 0.1.1
 custom_versionformat = DEVELOP # Version format switch: e.g.DEVELOP=dev<yyyymmdd>|RELEASE=1.0.0
 
 [env:obpkp61]
diff --git a/src/webserver.cpp b/src/webserver.cpp
index 29647d4..7f3aa8b 100644
--- a/src/webserver.cpp
+++ b/src/webserver.cpp
@@ -181,6 +181,7 @@ void webserver_init() {
     server.on("/api/status", HTTP_GET, [](AsyncWebServerRequest *request) {
         StaticJsonDocument<512> doc;
         doc["version"] = VERSION;
+        doc["pcbversion"] = PCBVERSION;
         int cpu_freq = esp_clk_cpu_freq() / 1000000;
         doc["cpuspeed"] =  String(cpu_freq) + "MHz";
         char ssid[13];
@@ -271,7 +272,7 @@ void webserver_init() {
     server.on("/api/update", HTTP_POST, [](AsyncWebServerRequest *request) {
         // the request handler is triggered after the upload has finished... 
         // create the response, add header, and send response
-        LOGD(TAG, "update called");
+        LOGI(TAG, "update called");
         StaticJsonDocument<100> doc;
         if (updateSuccess) {
             doc["status"] = "OK";
@@ -289,10 +290,8 @@ void webserver_init() {
         }
     }, [](AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final) {
         // this is the new image upload part
-        Serial.print("Retrieving firmware image named: ");
-        Serial.println(filename);
-
         if (index == 0) {
+            LOGI(TAG, "Retrieving firmware image named: %s", filename);
             if (! Update.begin(UPDATE_SIZE_UNKNOWN)) {
                 Update.printError(Serial);
                 updateError = "Update.begin() failed";
@@ -310,7 +309,6 @@ void webserver_init() {
                 updateError = "Update.end() failed";
             }
         }
-
     });
 
     server.on("/api/devicelist", HTTP_GET, [](AsyncWebServerRequest *request) {
diff --git a/web/index.html b/web/index.html
index 656ea7d..baa4677 100644
--- a/web/index.html
+++ b/web/index.html
@@ -118,13 +118,17 @@ if (!window.isSecureContext) {
       <span class="label">Firmware type</span>
       <span class="value status-fwtype">---</span>
     </div>
+    <div class="row">
+      <span class="label">Current version</span>
+      <span class="value status-version">---</span>
+    </div>
     <div class="row">
       <span class="label">Chip type</span>
       <span class="value status-chipid">---</span>
     </div>
     <div class="row">
-      <span class="label">Current version</span>
-      <span class="value status-version">---</span>
+      <span class="label">Hardware version</span>
+      <span class="value status-pcbversion">---</span>
     </div>
     <div class="row">
       <span class="label">New Firmware</span>
diff --git a/web/index.js b/web/index.js
index c50cacf..639d3bf 100644
--- a/web/index.js
+++ b/web/index.js
@@ -1435,10 +1435,12 @@
             .then(function (result) {
                 let currentType;
                 let currentVersion;
+                let currentPcbVersion;
                 let chipid;
                 forEl('.status-version', function (el) { currentVersion = el.textContent });
                 forEl('.status-fwtype', function (el) { currentType = el.textContent });
                 forEl('.status-chipid', function (el) { chipid = el.textContent });
+                forEl('.status-pcbversion', function (el) { currentPcbVersion = el.textContent });
                 let confirmText = 'Ready to update firmware?\n';
                 if (result.chipId != chipid) {
                     confirmText += "WARNING: the chipid in the image (" + result.chipId;