diff --git a/.gitignore b/.gitignore
index 2391e59..d07534c 100755
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /*.bin
 /*.elf
 /*.g1a
+/*.txt
\ No newline at end of file
diff --git a/icon.bmp b/icon.bmp
deleted file mode 100755
index b3b0a59..0000000
Binary files a/icon.bmp and /dev/null differ
diff --git a/src/main.c b/src/main.c
index 21cbd28..d959573 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,6 +10,21 @@
 unsigned char bincod[25] = {0};
 unsigned char place = 0;
 
+static struct {
+  int freq;
+  int length_ms;
+} seq[] = {
+  	{  352,  500 },
+    {  412,  375 },
+    {  352,  250 },
+    {  352,  125 },
+    {  475,  250 },
+    {  352,  250 },
+    {  316,  250 },
+    {   -1,   -1 },
+  };
+
+
 void lect()
 {
   static unsigned char range = 0;