diff --git a/main/accessors/settingsaccessors.h b/main/accessors/settingsaccessors.h
index 7026c24..a85579c 100644
--- a/main/accessors/settingsaccessors.h
+++ b/main/accessors/settingsaccessors.h
@@ -213,7 +213,7 @@ struct BatteryApplyCalibrationAccessor : public NewSettingsAccessor<bool> { Conf
 // Lockscreen
 struct LockscreenAllowPresetSwitchAccessor : public NewSettingsAccessor<bool> { ConfigWrapper<bool> &getConfig() const override { return configs.lockscreen.allowPresetSwitch; } };
 template<uint8_t index>
-struct LockscreenPinDigitAccessor : public NewSettingsAccessor<int8_t> { ConfigWrapper<int8_t> &getConfig() const override { return configs.lockscreen.pin[index].digit; } };
+struct LockscreenPinDigitAccessor : public NewSettingsAccessor<int8_t> { ConfigWrapper<int8_t> &getConfig() const override { return configs.lockscreen.pin[index]; } };
 struct LockscreenKeepLockedAccessor : public NewSettingsAccessor<bool> { ConfigWrapper<bool> &getConfig() const override { return configs.lockscreen.keepLockedAfterReboot; } };
 
 // Handbremse
diff --git a/main/can.cpp b/main/can.cpp
index 98adb1f..6831a72 100644
--- a/main/can.cpp
+++ b/main/can.cpp
@@ -272,21 +272,25 @@ void sendCanCommands()
 
         const auto timestamp_before = espchrono::millis_clock::now();
         const auto result = twai_transmit(&message, timeout);
+        const auto timestamp_after = espchrono::millis_clock::now();
 
-        if (result != ESP_OK && result != ESP_ERR_TIMEOUT)
-        {
-            ESP_LOGE(TAG, "ERROR: twai_transmit() failed with %s", esp_err_to_name(result));
-        }
-        else if (result == ESP_ERR_TIMEOUT)
+        if (result == ESP_ERR_TIMEOUT)
         {
             ++can_sequential_error_cnt;
             ++can_total_error_cnt;
 
-            ESP_LOGW(TAG, "twai_transmit() took %lld ms, seq err: %d, total err: %d",
-                     espchrono::ago(timestamp_before).count(),
+            ESP_LOGW(TAG, "twai_transmit() failed after %lldms with %s, seq err: %d, total err: %d",
+                     (timestamp_after - timestamp_before).count(),
+                     esp_err_to_name(result),
                      can_sequential_error_cnt,
                      can_total_error_cnt);
         }
+        else if (result != ESP_OK)
+        {
+            ESP_LOGE(TAG, "ERROR: twai_transmit() failed after %lldms with %s",
+                     (timestamp_after - timestamp_before).count(),
+                     esp_err_to_name(result));
+        }
         else
         {
             can_sequential_error_cnt = 0;
diff --git a/main/displays/lockscreen.cpp b/main/displays/lockscreen.cpp
index fcfa03e..8fff86e 100644
--- a/main/displays/lockscreen.cpp
+++ b/main/displays/lockscreen.cpp
@@ -1,5 +1,8 @@
 #include "lockscreen.h"
 
+// system includes
+#include <algorithm>
+
 // 3rdparty lib includes
 #include <tftinstance.h>
 #include <screenmanager.h>
@@ -11,17 +14,16 @@
 #include "displays/potiscalibratedisplay.h"
 #include "bobbybuttons.h"
 
-bool isValidPin(std::array<int8_t,4> enteredPin)
+namespace {
+bool isValidPin(std::array<int8_t, 4> enteredPin)
 {
-    for (int i = 0; i < 4; i++)
-    {
-        if (enteredPin[i] != configs.lockscreen.pin[i].digit.value)
-        {
-            return false;
-        }
-    }
-    return true;
+    return std::equal(std::cbegin(enteredPin), std::cend(enteredPin),
+                      std::cbegin(configs.lockscreen.pin), std::cend(configs.lockscreen.pin),
+                      [](const int8_t digit, const auto &configuredDigit){
+                          return digit == configuredDigit.value;
+                      });
 }
+} // namespace
 
 void Lockscreen::start()
 {
diff --git a/main/newsettings.h b/main/newsettings.h
index 2d53889..9cc02f7 100644
--- a/main/newsettings.h
+++ b/main/newsettings.h
@@ -86,15 +86,6 @@ public:
     ConfigWrapper<std::string> url;
 };
 
-class ConfiguredLockscreenDigit
-{
-public:
-    ConfiguredLockscreenDigit(const char *digitKey) :
-        digit{0, DoReset, MinMaxOrZeroValue<int8_t, 1,9>, digitKey }
-    {}
-    ConfigWrapper<int8_t> digit;
-};
-
 class ConfigContainer
 {
     using mac_t = wifi_stack::mac_t;
@@ -265,11 +256,11 @@ public:
         ConfigWrapper<bool> allowPresetSwitch     {true,                                   DoReset,   {},                         "lockAlwPresetSw"     };
         ConfigWrapper<bool> keepLockedAfterReboot {false,                                  DoReset,   {},                         "keepLocked"          };
         ConfigWrapper<bool> locked                {false,                                  DoReset,   {},                         "currentlyLocked"     };
-        std::array<ConfiguredLockscreenDigit, 4> pin {
-            ConfiguredLockscreenDigit {"lockscreenPin0"},
-            ConfiguredLockscreenDigit {"lockscreenPin1"},
-            ConfiguredLockscreenDigit {"lockscreenPin2"},
-            ConfiguredLockscreenDigit {"lockscreenPin3"}
+        std::array<ConfigWrapper<int8_t>, 4> pin {
+            ConfigWrapper<int8_t>                 {1,                                      DoReset,   MinMaxValue<int8_t, 0, 9>,  "lockscreenPin0"      },
+            ConfigWrapper<int8_t>                 {2,                                      DoReset,   MinMaxValue<int8_t, 0, 9>,  "lockscreenPin1"      },
+            ConfigWrapper<int8_t>                 {3,                                      DoReset,   MinMaxValue<int8_t, 0, 9>,  "lockscreenPin2"      },
+            ConfigWrapper<int8_t>                 {4,                                      DoReset,   MinMaxValue<int8_t, 0, 9>,  "lockscreenPin3"      },
         };
     } lockscreen;
 
@@ -542,10 +533,10 @@ public:
     x(lockscreen.allowPresetSwitch) \
     x(lockscreen.keepLockedAfterReboot) \
     x(lockscreen.locked) \
-    x(lockscreen.pin[0].digit) \
-    x(lockscreen.pin[1].digit) \
-    x(lockscreen.pin[2].digit) \
-    x(lockscreen.pin[3].digit) \
+    x(lockscreen.pin[0]) \
+    x(lockscreen.pin[1]) \
+    x(lockscreen.pin[2]) \
+    x(lockscreen.pin[3]) \
     \
     x(savedStatistics.totalCentimeters) \
     \