diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 6870b13acf..0565c0b2d2 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -6776,12 +6776,13 @@ uint16_t mode_juggles(void) {                   // Juggles. By Andrew Tuline.
   uint16_t my_sampleAgc = fmax(fmin(volumeSmth, 255.0), 0);
 
   for (size_t i=0; i<SEGMENT.intensity/32+1U; i++) {
+    // if SEGLEN equals 1, we will always set color to the first and only pixel, but the effect is still good looking
     SEGMENT.setPixelColor(beatsin16(SEGMENT.speed/4+i*2,0,SEGLEN-1), color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(strip.now/4+i*2, false, PALETTE_SOLID_WRAP, 0), my_sampleAgc));
   }
 
   return FRAMETIME;
 } // mode_juggles()
-static const char _data_FX_MODE_JUGGLES[] PROGMEM = "Juggles@!,# of balls;!,!;!;1v;m12=0,si=0"; // Pixels, Beatsin
+static const char _data_FX_MODE_JUGGLES[] PROGMEM = "Juggles@!,# of balls;!,!;!;01v;m12=0,si=0"; // Pixels, Beatsin
 
 
 //////////////////////
@@ -6909,7 +6910,7 @@ uint16_t mode_noisefire(void) {                 // Noisefire. By Andrew Tuline.
 
   return FRAMETIME;
 } // mode_noisefire()
-static const char _data_FX_MODE_NOISEFIRE[] PROGMEM = "Noisefire@!,!;;;1v;m12=2,si=0"; // Arc, Beatsin
+static const char _data_FX_MODE_NOISEFIRE[] PROGMEM = "Noisefire@!,!;;;01v;m12=2,si=0"; // Arc, Beatsin
 
 
 ///////////////////////
@@ -6981,7 +6982,7 @@ uint16_t mode_pixelwave(void) {                 // Pixelwave. By Andrew Tuline.
 
   return FRAMETIME;
 } // mode_pixelwave()
-static const char _data_FX_MODE_PIXELWAVE[] PROGMEM = "Pixelwave@!,Sensitivity;!,!;!;1v;ix=64,m12=2,si=0"; // Arc, Beatsin
+static const char _data_FX_MODE_PIXELWAVE[] PROGMEM = "Pixelwave@!,Sensitivity;!,!;!;01v;ix=64,m12=2,si=0"; // Arc, Beatsin
 
 
 //////////////////////
@@ -7027,7 +7028,7 @@ uint16_t mode_plasmoid(void) {                  // Plasmoid. By Andrew Tuline.
 
   return FRAMETIME;
 } // mode_plasmoid()
-static const char _data_FX_MODE_PLASMOID[] PROGMEM = "Plasmoid@Phase,# of pixels;!,!;!;1v;sx=128,ix=80,pal=8,m12=0,si=0"; // Pixels, Beatsin, Lava Palette
+static const char _data_FX_MODE_PLASMOID[] PROGMEM = "Plasmoid@Phase,# of pixels;!,!;!;01v;sx=128,ix=80,pal=8,m12=0,si=0"; // Pixels, Beatsin, Lava Palette
 
 
 ///////////////////////
@@ -7182,7 +7183,7 @@ uint16_t mode_blurz(void) {                    // Blurz. By Andrew Tuline.
 
   return FRAMETIME;
 } // mode_blurz()
-static const char _data_FX_MODE_BLURZ[] PROGMEM = "Blurz@Fade rate,Blur;!,Color mix;!;1f;m12=0,si=0"; // Pixels, Beatsin
+static const char _data_FX_MODE_BLURZ[] PROGMEM = "Blurz@Fade rate,Blur;!,Color mix;!;01f;m12=0,si=0"; // Pixels, Beatsin
 
 #else // original version from SR 0.13, with some enhancements by @softhack007
 uint16_t mode_blurz(void) {                    // Blurz. By Andrew Tuline.
@@ -7213,6 +7214,7 @@ uint16_t mode_blurz(void) {                    // Blurz. By Andrew Tuline.
   if ((SEGENV.aux1 < SEGLEN) && (volumeSmth > 1.0f)) SEGMENT.setPixelColor(SEGENV.aux1,SEGENV.step); // "repaint" last pixel after blur
 
   uint16_t segLoc = random16(SEGLEN);
+  if (SEGLEN < 2) segLoc = 0; // WLEDMM just to be sure
   unsigned pixColor = (2*fftResult[SEGENV.aux0%16]*240)/max(1, SEGLEN-1);                  // WLEDMM avoid uint8 overflow, and preserve pixel parameters for redraw
   unsigned pixIntensity = min((unsigned)(2.0f*fftResult[SEGENV.aux0%16]), 255U);
 
@@ -7229,13 +7231,14 @@ uint16_t mode_blurz(void) {                    // Blurz. By Andrew Tuline.
 
   return FRAMETIME_FIXED;
 } // mode_blurz()
-static const char _data_FX_MODE_BLURZ[] PROGMEM = "Blurz ☾@Fade rate,Blur;!,Color mix;!;1f;sx=48,ix=127,m12=0,si=0"; // Pixels, Beatsin
+static const char _data_FX_MODE_BLURZ[] PROGMEM = "Blurz ☾@Fade rate,Blur;!,Color mix;!;01f;sx=48,ix=127,m12=0,si=0"; // Pixels, Beatsin
 #endif
 
 /////////////////////////
 //   ** DJLight        //
 /////////////////////////
 uint16_t mode_DJLight(void) {                   // Written by Stefan Petrick, Adapted by Will Tatam.
+  // No need to prevent from executing on single led strips, only mid will be set (mid = 0)
   const int mid = SEGLEN / 2;
 
   um_data_t *um_data;
@@ -7291,13 +7294,14 @@ uint16_t mode_DJLight(void) {                   // Written by Stefan Petrick, Ad
     if (SEGENV.check1) fadeVal = constrain(fadeVal, 0, 176);  // "candy factory" mode - avoid complete fade-out
     SEGMENT.setPixelColor(mid, color.fadeToBlackBy(fadeVal));
 
+    // if SEGLEN equals 1 these loops won't execute
     for (int i = SEGLEN - 1; i > mid; i--)   SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i-1)); // move to the left
     for (int i = 0; i < mid; i++)            SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i+1)); // move to the right
   }
 
   return FRAMETIME;
 } // mode_DJLight()
-static const char _data_FX_MODE_DJLIGHT[] PROGMEM = "DJ Light@Speed,,,,,Candy Factory;;;1f;m12=2,si=0"; // Arc, Beatsin
+static const char _data_FX_MODE_DJLIGHT[] PROGMEM = "DJ Light@Speed,,,,,Candy Factory;;;01f;m12=2,si=0"; // Arc, Beatsin
 
 
 ////////////////////
@@ -7351,6 +7355,7 @@ static const char _data_FX_MODE_FREQMAP[] PROGMEM = "Freqmap@Fade rate,Starting
 //   ** Freqmatrix   //
 ///////////////////////
 uint16_t mode_freqmatrix(void) {                // Freqmatrix. By Andreas Pleschung.
+  // No need to prevent from executing on single led strips, we simply change pixel 0 each time and avoid the shift
   um_data_t *um_data;
   if (!usermods.getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) {
     // add support for no audio
@@ -7393,12 +7398,13 @@ uint16_t mode_freqmatrix(void) {                // Freqmatrix. By Andreas Plesch
 
     // shift the pixels one pixel up
     SEGMENT.setPixelColor(0, color);
+    // if SEGLEN equals 1 this loop won't execute
     for (int i = SEGLEN - 1; i > 0; i--) SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i-1)); //move to the left
   }
 
   return FRAMETIME;
 } // mode_freqmatrix()
-static const char _data_FX_MODE_FREQMATRIX[] PROGMEM = "Freqmatrix@Speed,Sound effect,Low bin,High bin,Sensitivity;;;1f;c1=18,c2=48,c3=6,m12=3,si=0"; // Corner, Beatsin; notes range C3 to C7
+static const char _data_FX_MODE_FREQMATRIX[] PROGMEM = "Freqmatrix@Speed,Sound effect,Low bin,High bin,Sensitivity;;;01f;c1=18,c2=48,c3=6,m12=3,si=0"; // Corner, Beatsin; notes range C3 to C7
 
 
 //////////////////////
@@ -7455,6 +7461,7 @@ static const char _data_FX_MODE_FREQPIXELS[] PROGMEM = "Freqpixels@Fade rate,Sta
 // As a compromise between speed and accuracy we are currently sampling with 10240Hz, from which we can then determine with a 512bin FFT our max frequency is 5120Hz.
 // Depending on the music stream you have you might find it useful to change the frequency mapping.
 uint16_t mode_freqwave(void) {                  // Freqwave. By Andreas Pleschung. With some enhancements by @softhack007
+  // As before, this effect can also work on single pixels, we just lose the shifting effect
   um_data_t *um_data;
   if (!usermods.getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) {
     // add support for no audio
@@ -7510,13 +7517,14 @@ uint16_t mode_freqwave(void) {                  // Freqwave. By Andreas Pleschun
     SEGMENT.setPixelColor(SEGLEN/2, color);
 
     // shift the pixels one pixel outwards
+    // if SEGLEN equals 1 these loops won't execute
     for (int i = SEGLEN - 1; i > SEGLEN/2; i--)   SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i-1)); //move to the left
     for (int i = 0; i < SEGLEN/2; i++)            SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i+1)); // move to the right
   }
 
   return FRAMETIME;
 } // mode_freqwave()
-static const char _data_FX_MODE_FREQWAVE[] PROGMEM = "Freqwave@Speed,Sound effect,Low bin,High bin,Pre-amp,Musical Scale ☾;;;1f;c1=18,c2=48,m12=2,si=0"; // notes range C3 to C7, Arc, Beatsin
+static const char _data_FX_MODE_FREQWAVE[] PROGMEM = "Freqwave@Speed,Sound effect,Low bin,High bin,Pre-amp,Musical Scale ☾;;;01f;c1=18,c2=48,m12=2,si=0"; // notes range C3 to C7, Arc, Beatsin
 
 
 ///////////////////////
@@ -7599,13 +7607,14 @@ uint16_t mode_noisemove(void) {                 // Noisemove.    By: Andrew Tuli
   uint8_t numBins = map(SEGMENT.intensity,0,255,0,16);    // Map slider to fftResult bins.
   for (int i=0; i<numBins; i++) {                         // How many active bins are we using.
     uint16_t locn = inoise16(strip.now*SEGMENT.speed+i*50000, strip.now*SEGMENT.speed);   // Get a new pixel location from moving noise.
+    // if SEGLEN equals 1 locn will be always 0, hence we set the first pixel only
     locn = map(locn, 7500, 58000, 0, SEGLEN-1);           // Map that to the length of the strand, and ensure we don't go over.
     SEGMENT.setPixelColor(locn, color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(i*64, false, PALETTE_SOLID_WRAP, 0), fftResult[i % 16]*4));
   }
 
   return FRAMETIME;
 } // mode_noisemove()
-static const char _data_FX_MODE_NOISEMOVE[] PROGMEM = "Noisemove@Speed of perlin movement,Fade rate;!,!;!;1f;m12=0,si=0"; // Pixels, Beatsin
+static const char _data_FX_MODE_NOISEMOVE[] PROGMEM = "Noisemove@Speed of perlin movement,Fade rate;!,!;!;01f;m12=0,si=0"; // Pixels, Beatsin
 
 
 //////////////////////
@@ -7643,12 +7652,13 @@ uint16_t mode_rocktaves(void) {                 // Rocktaves. Same note from eac
   frTemp = fabsf(frTemp * 2.1f);                            // Fudge factors to compress octave range starting at 0 and going to 255;
 
   uint16_t i = map(beatsin8(8+octCount*4, 0, 255, 0, octCount*8), 0, 255, 0, SEGLEN-1);
+  // i will be always constrained between 0 and 0 if SEGLEN equals 1
   i = constrain(i, 0, SEGLEN-1);
   SEGMENT.addPixelColor(i, color_blend(SEGCOLOR(1), SEGMENT.color_from_palette((uint8_t)frTemp, false, PALETTE_SOLID_WRAP, 0), volTemp));
 
   return FRAMETIME;
 } // mode_rocktaves()
-static const char _data_FX_MODE_ROCKTAVES[] PROGMEM = "Rocktaves@;!,!;!;1f;m12=1,si=0"; // Bar, Beatsin
+static const char _data_FX_MODE_ROCKTAVES[] PROGMEM = "Rocktaves@;!,!;!;01f;m12=1,si=0"; // Bar, Beatsin
 
 
 ///////////////////////
@@ -7656,8 +7666,9 @@ static const char _data_FX_MODE_ROCKTAVES[] PROGMEM = "Rocktaves@;!,!;!;1f;m12=1
 ///////////////////////
 // Combines peak detection with FFT_MajorPeak and FFT_Magnitude.
 uint16_t mode_waterfall(void) {                   // Waterfall. By: Andrew Tuline
-  if (SEGENV.call == 0) SEGMENT.fill(BLACK);
+  // effect can work on single pixels, we just lose the shifting effect
 
+  if (SEGENV.call == 0) SEGMENT.fill(BLACK);
   um_data_t *um_data;
   if (!usermods.getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) {
     // add support for no audio
@@ -7698,12 +7709,13 @@ uint16_t mode_waterfall(void) {                   // Waterfall. By: Andrew Tulin
     } else {
       SEGMENT.setPixelColor(SEGLEN-1, color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(pixCol+SEGMENT.intensity, false, PALETTE_SOLID_WRAP, 0), (int)my_magnitude));
     }
+    // loop will not execute if SEGLEN equals 1
     for (int i = 0; i < SEGLEN-1; i++) SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i+1)); // shift left
   }
 
   return FRAMETIME;
 } // mode_waterfall()
-static const char _data_FX_MODE_WATERFALL[] PROGMEM = "Waterfall@!,Adjust color,Select bin,Volume (min);!,!;!;1f;c1=8,c2=48,m12=2,si=0"; // Arc, Beatsin
+static const char _data_FX_MODE_WATERFALL[] PROGMEM = "Waterfall@!,Adjust color,Select bin,Volume (min);!,!;!;01f;c1=8,c2=48,m12=2,si=0"; // Arc, Beatsin
 
 
 #ifndef WLED_DISABLE_2D