diff --git a/master.py b/master.py
index f0cf452..5262133 100755
--- a/master.py
+++ b/master.py
@@ -37,12 +37,14 @@ Reload systemd (first time after creating the service):
     sudo systemctl daemon-reload
 
 Enable (once), start (once and after stopping) and restart (after modification)systemd:
-    sudo systemctl enable master_nebuleair.service
-    sudo systemctl start master_nebuleair.service
-    sudo systemctl restart master_nebuleair.service
+
+sudo systemctl enable master_nebuleair.service
+sudo systemctl start master_nebuleair.service
+sudo systemctl restart master_nebuleair.service
 
 Check the service status:
-    sudo systemctl status master_nebuleair.service
+
+sudo systemctl status master_nebuleair.service
 
 
 Specific scripts can be disabled with config.json
diff --git a/matrix/test_forms_noFail b/matrix/test_forms_noFail
new file mode 100644
index 0000000..e9f5ae4
Binary files /dev/null and b/matrix/test_forms_noFail differ
diff --git a/matrix/test_forms_noFail.cc b/matrix/test_forms_noFail.cc
new file mode 100644
index 0000000..81f7412
--- /dev/null
+++ b/matrix/test_forms_noFail.cc
@@ -0,0 +1,100 @@
+/*
+
+  __  __    _  _____ ____  _____  __
+ |  \/  |  / \|_   _|  _ \|_ _\ \/ /
+ | |\/| | / _ \ | | | |_) || | \  / 
+ | |  | |/ ___ \| | |  _ < | | /  \ 
+ |_|  |_/_/   \_\_| |_| \_\___/_/\_\
+
+ 
+Script to display a simple square on the matrix LED
+sudo /var/www/moduleair_pro_4g/matrix/test_forms_noFail --led-no-hardware-pulse
+
+Pour compiler:
+g++ -Iinclude  -Llib test_forms_noFail.cc -o test_forms_noFail -lrgbmatrix
+
+*/
+#include "led-matrix.h"
+#include "graphics.h"
+#include <signal.h>
+#include <unistd.h>
+#include <stdio.h>
+
+using rgb_matrix::RGBMatrix;
+using rgb_matrix::Canvas;
+
+volatile bool running = true;
+
+static void InterruptHandler(int signo) {
+    running = false;
+}
+
+int main(int argc, char *argv[]) {
+    RGBMatrix::Options defaults;
+
+    defaults.hardware_mapping = "moduleair_pinout"; 
+    defaults.rows = 64;
+    defaults.cols = 128;
+    defaults.chain_length = 1;
+    defaults.parallel = 1;
+    defaults.row_address_type = 3;
+    defaults.show_refresh_rate = true;
+    defaults.brightness = 100;
+    defaults.pwm_bits = 1;
+    defaults.panel_type = "FM6126A"; 
+    defaults.disable_hardware_pulsing = false;
+
+    // Set up signal handlers for clean exit
+    signal(SIGTERM, InterruptHandler);
+    signal(SIGINT, InterruptHandler);
+
+    // Try creating the matrix with a few attempts
+    Canvas *canvas = NULL;
+    int attempts = 0;
+    while (canvas == NULL && attempts < 3) {
+        canvas = RGBMatrix::CreateFromFlags(&argc, &argv, &defaults);
+        if (canvas == NULL) {
+            fprintf(stderr, "Creating canvas failed, attempt %d/3. Retrying...\n", attempts + 1);
+            attempts++;
+            usleep(500000);  // Wait 500ms before retry
+        }
+    }
+    
+    if (canvas == NULL) {
+        fprintf(stderr, "Failed to create canvas after multiple attempts.\n");
+        return 1;
+    }
+
+    // Always clear the canvas first to reset any previous state
+    canvas->Clear();
+    usleep(100000);  // Small delay after clearing
+
+    rgb_matrix::Color red(255, 0, 0);   // Red color
+    
+    // Define the top-left corner of the square
+    int start_x = 10; // X coordinate
+    int start_y = 10; // Y coordinate
+    int square_size = 8; // Size of the square (8x8)
+
+    // Draw a filled square
+    for (int x = start_x; x < start_x + square_size; ++x) {
+        for (int y = start_y; y < start_y + square_size; ++y) {
+            canvas->SetPixel(x, y, red.r, red.g, red.b);
+        }
+    }
+    
+    // Keep running until signaled
+    int seconds = 0;
+    while (running && seconds < 10) {
+        sleep(1);
+        seconds++;
+    }
+
+    // Always ensure we clean up
+    canvas->Clear();
+    usleep(100000);  // Small delay after clearing
+    delete canvas;
+    
+    fprintf(stderr, "Display completed successfully.\n");
+    return 0;
+}
\ No newline at end of file
diff --git a/matrix/test_text.cc b/matrix/test_text.cc
index 83f2dd3..1724972 100755
--- a/matrix/test_text.cc
+++ b/matrix/test_text.cc
@@ -11,6 +11,9 @@ sudo /var/www/moduleair_pro_4g/matrix/test_text
 
 Pour compiler:
 g++ -Iinclude  -Llib test_text.cc -o test_text -lrgbmatrix
+
+Pour lancer: 
+sudo /var/www/moduleair_pro_4g/matrix/test_text
 */
 
 #include "led-matrix.h"