diff --git a/wled00/FX.h b/wled00/FX.h
index 289896d2df..2f42614ab1 100644
--- a/wled00/FX.h
+++ b/wled00/FX.h
@@ -598,7 +598,7 @@ typedef struct Segment {
 
     // 1D strip
     [[gnu::hot]] uint16_t virtualLength() const;
-    [[gnu::hot]] void setPixelColor(int n, uint32_t c) const; // set relative pixel within segment with color
+    [[gnu::hot]] void setPixelColor(int i, uint32_t c) const; // set relative pixel within segment with color
     inline void setPixelColor(unsigned n, uint32_t c) const                    { setPixelColor(int(n), c); }
     inline void setPixelColor(int n, byte r, byte g, byte b, byte w = 0) const { setPixelColor(n, RGBW32(r,g,b,w)); }
     inline void setPixelColor(int n, CRGB c) const                             { setPixelColor(n, RGBW32(c.r,c.g,c.b,0)); }
@@ -805,7 +805,7 @@ class WS2812FX {  // 96 bytes
       resetSegments(),                            // marks all segments for reset
       makeAutoSegments(bool forceReset = false),  // will create segments based on configured outputs
       fixInvalidSegments(),                       // fixes incorrect segment configuration
-      setPixelColor(unsigned n, uint32_t c) const,      // paints absolute strip pixel with index n and color c
+      setPixelColor(unsigned i, uint32_t c) const,      // paints absolute strip pixel with index n and color c
       show(),                                     // initiates LED output
       setTargetFps(unsigned fps),
       setupEffectData();                          // add default effects to the list; defined in FX.cpp
@@ -870,7 +870,7 @@ class WS2812FX {  // 96 bytes
     };
 
     unsigned long now, timebase;
-    uint32_t getPixelColor(unsigned) const;
+    uint32_t getPixelColor(unsigned i) const;
 
     inline uint32_t getLastShow() const   { return _lastShow; }           // returns millis() timestamp of last strip.show() call
 
diff --git a/wled00/button.cpp b/wled00/button.cpp
index 4d6f954f60..a02b29b31f 100644
--- a/wled00/button.cpp
+++ b/wled00/button.cpp
@@ -90,12 +90,12 @@ void doublePressAction(uint8_t b)
 #endif
 }
 
-bool isButtonPressed(uint8_t i)
+bool isButtonPressed(uint8_t b)
 {
-  if (btnPin[i]<0) return false;
-  unsigned pin = btnPin[i];
+  if (btnPin[b]<0) return false;
+  unsigned pin = btnPin[b];
 
-  switch (buttonType[i]) {
+  switch (buttonType[b]) {
     case BTN_TYPE_NONE:
     case BTN_TYPE_RESERVED:
       break;
@@ -113,7 +113,7 @@ bool isButtonPressed(uint8_t i)
         #ifdef SOC_TOUCH_VERSION_2 //ESP32 S2 and S3 provide a function to check touch state (state is updated in interrupt)
         if (touchInterruptGetLastStatus(pin)) return true;
         #else
-        if (digitalPinToTouchChannel(btnPin[i]) >= 0 && touchRead(pin) <= touchThreshold) return true;
+        if (digitalPinToTouchChannel(btnPin[b]) >= 0 && touchRead(pin) <= touchThreshold) return true;
         #endif
       #endif
      break;
diff --git a/wled00/fcn_declare.h b/wled00/fcn_declare.h
index 6b896f482c..2292488d52 100644
--- a/wled00/fcn_declare.h
+++ b/wled00/fcn_declare.h
@@ -246,8 +246,8 @@ bool deserializeState(JsonObject root, byte callMode = CALL_MODE_DIRECT_CHANGE,
 void serializeSegment(const JsonObject& root, const Segment& seg, byte id, bool forPreset = false, bool segmentBounds = true);
 void serializeState(JsonObject root, bool forPreset = false, bool includeBri = true, bool segmentBounds = true, bool selectedSegmentsOnly = false);
 void serializeInfo(JsonObject root);
-void serializeModeNames(JsonArray root);
-void serializeModeData(JsonArray root);
+void serializeModeNames(JsonArray arr);
+void serializeModeData(JsonArray fxdata);
 void serveJson(AsyncWebServerRequest* request);
 #ifdef WLED_ENABLE_JSONLIVE
 bool serveLiveLeds(AsyncWebServerRequest* request, uint32_t wsClient = 0);
@@ -466,7 +466,7 @@ void userLoop();
 #endif
 [[gnu::pure]] int getNumVal(const String* req, uint16_t pos);
 void parseNumber(const char* str, byte* val, byte minv=0, byte maxv=255);
-bool getVal(JsonVariant elem, byte* val, byte minv=0, byte maxv=255); // getVal supports inc/decrementing and random ("X~Y(r|[w]~[-][Z])" form)
+bool getVal(JsonVariant elem, byte* val, byte vmin=0, byte vmax=255); // getVal supports inc/decrementing and random ("X~Y(r|[w]~[-][Z])" form)
 [[gnu::pure]] bool getBoolVal(const JsonVariant &elem, bool dflt);
 bool updateVal(const char* req, const char* key, byte* val, byte minv=0, byte maxv=255);
 size_t printSetFormCheckbox(Print& settingsScript, const char* key, int val);
diff --git a/wled00/lx_parser.cpp b/wled00/lx_parser.cpp
index 7fd91ea029..1318686ceb 100644
--- a/wled00/lx_parser.cpp
+++ b/wled00/lx_parser.cpp
@@ -22,7 +22,7 @@ bool parseLx(int lxValue, byte* rgbw)
   } else if ((lxValue >= 200000000) && (lxValue <= 201006500)) {
     // Loxone Lumitech
     ok = true;
-    float tmpBri = floor((lxValue - 200000000) / 10000); ;
+    float tmpBri = floor((lxValue - 200000000) / 10000);
     uint16_t ct = (lxValue - 200000000) - (((uint8_t)tmpBri) * 10000);
 
     tmpBri *= 2.55f;