diff --git a/wled00/bus_manager.cpp b/wled00/bus_manager.cpp
index d0dae78d24..d1cc851ecd 100644
--- a/wled00/bus_manager.cpp
+++ b/wled00/bus_manager.cpp
@@ -476,12 +476,29 @@ BusSmartMatrix::BusSmartMatrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
   const uint32_t kMatrixOptions          = (SM_HUB75_OPTIONS_NONE);        // see docs for options: https://github.com/pixelmatix/SmartMatrix/wiki
   const uint8_t  kBackgroundLayerOptions = (SM_BACKGROUND_OPTIONS_NONE);
 
-  SMARTMATRIX_ALLOCATE_BUFFERS(matrix, kMatrixWidth, kMatrixHeight, kRefreshDepth, kDmaBufferRows, kPanelType, kMatrixOptions);
+  SMARTMATRIX_ALLOCATE_BUFFERS(smartMatrix, kMatrixWidth, kMatrixHeight, kRefreshDepth, kDmaBufferRows, kPanelType, kMatrixOptions);
   SMARTMATRIX_ALLOCATE_BACKGROUND_LAYER(backgroundLayer, kMatrixWidth, kMatrixHeight, COLOR_DEPTH, kBackgroundLayerOptions);
 
-  matrix.addLayer(&backgroundLayer); 
-  matrix.setBrightness(brightness); 
-  matrix.begin();
+
+  smartMatrix.addLayer(&backgroundLayer); 
+  smartMatrix.setBrightness(brightness); 
+  Serial.printf("BusSmartMatrix: kMatrixWidth=%u, kMatrixHeight=%u", kMatrixWidth, kMatrixHeight);
+  smartMatrix.begin();
+
+  this->buffer = backgroundLayer.backBuffer();
+  this->backgroundLayer = &backgroundLayer;
+  this->smartMatrix = &smartMatrix;
+}
+
+void BusSmartMatrix::setPixelColor(uint16_t pix, uint32_t c) {
+  uint8_t r = R(c);
+  uint8_t g = G(c);
+  uint8_t b = B(c);
+  this->buffer[pix] = rgb24(r, g, b);
+}
+
+void BusSmartMatrix::setBrightness(uint8_t b, bool immediate) {
+  this->smartMatrix->setBrightness(b);
 }
 
 // ***************************************************************************
diff --git a/wled00/bus_manager.h b/wled00/bus_manager.h
index b41a93e8db..e4bd30e472 100644
--- a/wled00/bus_manager.h
+++ b/wled00/bus_manager.h
@@ -44,6 +44,7 @@ struct BusConfig {
     if (type >= TYPE_NET_DDP_RGB && type < 96) nPins = 4; //virtual network bus. 4 "pins" store IP address
     else if (type > 47) nPins = 2;
     else if (type > 40 && type < 46) nPins = NUM_PWM_PINS(type);
+    else if (type == TYPE_SMARTMATRIX) nPins = 0;
     for (uint8_t i = 0; i < nPins; i++) pins[i] = ppins[i];
   }
 
@@ -342,28 +343,34 @@ class BusSmartMatrix : public Bus {
 
     void setPixelColor(uint16_t pix, uint32_t c);
 
-    uint32_t __attribute__((pure)) getPixelColor(uint16_t pix);  // WLEDMM attribute added
-
-    void show();
+    void show() {
+      Serial.println("SmartMatrix: show()");
+      backgroundLayer->swapBuffers(true);
+    }
 
     bool canShow() {
-      // this should be a return value from UDP routine if it is still sending data out
-      return true; // !_broadcastLock; // TODO
+      // busy swapping still
+      return !backgroundLayer->isSwapPending();
     }
+    
+    void setBrightness(uint8_t b, bool immediate);
 
-    uint8_t getPins(uint8_t* pinArray);
+    // uint8_t getPins(uint8_t* pinArray) {} // todo
 
     uint16_t getLength() {
       return _len;
     }
 
-    void cleanup();
+    void cleanup() {}
 
     ~BusSmartMatrix() {
       cleanup();
     }
 
   private:
+    rgb24* buffer;
+    SMLayerBackground<rgb24, 0u>* backgroundLayer;
+    SmartMatrixHub75Calc<48, 64, 64, 0u, 0u>* smartMatrix;
     
 };
 #endif
diff --git a/wled00/data/settings_leds.htm b/wled00/data/settings_leds.htm
index db68c9201c..9879afa05f 100644
--- a/wled00/data/settings_leds.htm
+++ b/wled00/data/settings_leds.htm
@@ -355,6 +355,7 @@
 <!--option value="81">E1.31 RGB (network)</option-->
 <option value="82">Art-Net RGB (network)</option>
 <option value="88">DDP RGBW (network)</option>
+<option value="55">SmartMatrix</option>
 </select><br>
 <div id="co${i}" style="display:inline">Color Order:
 <select name="CO${i}">
@@ -382,6 +383,7 @@
 <div id="dig${i}a" style="display:inline"><br>Auto-calculate white channel from RGB:<br><select name="AW${i}"><option value=0>None</option><option value=1>Brighter</option><option value=2>Accurate</option><option value=3>Dual</option><option value=4>Max</option></select>&nbsp;</div>
 </div>`;
 				f.insertAdjacentHTML("beforeend", cn);
+				// TODO: selective addition of SM
 			}
 			if (n==-1) {
 				o[--i].remove();--i;