diff --git a/lib/led-matrix-32-16/led-matrix-32-16.cpp b/lib/led-matrix-32-16/led-matrix-32-16.cpp
index 88287a3..b65b395 100644
--- a/lib/led-matrix-32-16/led-matrix-32-16.cpp
+++ b/lib/led-matrix-32-16/led-matrix-32-16.cpp
@@ -61,8 +61,10 @@ LedMetrix32x16::LedMetrix32x16()
     _pins.clk = CLK_PIN_DEFAULT;
 }
 
-void LedMetrix32x16::begin(int nRow, int nColl, int res_x, int res_y, PANEL_CHAIN_TYPE chain_type )
+void LedMetrix32x16::begin(int nRow, int nColl, PANEL_CHAIN_TYPE chain_type )
 {
+    int res_x = 32;
+    int res_y = 16;
     HUB75_I2S_CFG mxconfig (
         res_x * 2, // width of a single panel
         res_y / 2, // height of a single panel
diff --git a/lib/led-matrix-32-16/led-matrix-32-16.hpp b/lib/led-matrix-32-16/led-matrix-32-16.hpp
index f6c3d91..2d3f8ee 100644
--- a/lib/led-matrix-32-16/led-matrix-32-16.hpp
+++ b/lib/led-matrix-32-16/led-matrix-32-16.hpp
@@ -24,7 +24,7 @@ private:
 public:
     LedMetrix32x16();
     LedMetrix32x16(HUB75_I2S_CFG::i2s_pins _pins);
-    void begin(int nRow, int nColl, int res_x, int res_y, PANEL_CHAIN_TYPE chain_type = CHAIN_BOTTOM_RIGHT_UP);
+    void begin(int nRow, int nColl, PANEL_CHAIN_TYPE chain_type = CHAIN_BOTTOM_RIGHT_UP);
 
     inline MatrixPanel_I2S_DMA * getDisplay() { return dma_display; } // return pointer to the DMA display object
     inline CustomPxBasePanel * getVirtualDisplay() { return virtual_display; } // return pointer to the virtual display object
diff --git a/src/main.cpp b/src/main.cpp
index e592d70..9daa1b4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,7 +6,7 @@ LedMetrix32x16 ledMatrix; // Create an instance of the LedMetrix32x16 class
 
 void setup() {
   Serial.begin(115200); // Initialize serial communication for debugging
-  ledMatrix.begin(1, 3, 32, 16); // Initialize the LED matrix with 1 rows and 3 column of panels, each panel being 32x16 pixels
+  ledMatrix.begin(1, 3); // Initialize the LED matrix with 1 rows and 3 column of panels
   MatrixPanel_I2S_DMA *display = ledMatrix.getDisplay(); // Get the DMA display object
   display->setBrightness(50); // Set the brightness of the display to 50%
 }