diff --git a/ino/components/mcopy_projector/mcopy_projector.ino b/ino/components/mcopy_projector/mcopy_projector.ino
index a5c3e06..dc44f8a 100644
--- a/ino/components/mcopy_projector/mcopy_projector.ino
+++ b/ino/components/mcopy_projector/mcopy_projector.ino
@@ -13,6 +13,9 @@ const char cmd_proj_backward = 'h';
 const char cmd_debug = 'd';
 const char cmd_connect = 'i';
 volatile char cmd_char = 'z';
+const char cmd_mcopy_identifier = 'm';
+const char cmd_proj_identifier = 'j';
+
 const int serialDelay = 5;
 
 void setup() {
diff --git a/ino/components/mcopy_projector_tests/mcopy_projector_tests.ino b/ino/components/mcopy_projector_tests/mcopy_projector_tests.ino
index e6a7b8e..725551b 100644
--- a/ino/components/mcopy_projector_tests/mcopy_projector_tests.ino
+++ b/ino/components/mcopy_projector_tests/mcopy_projector_tests.ino
@@ -57,7 +57,10 @@ const char cmd_projector = 'p';
 const char cmd_proj_forward = 'g';
 const char cmd_proj_backward = 'h';
 const char cmd_mcopy_identifier = 'm';
-const char cmd_proj_identifier = 'j';
+//for just proj
+//const char cmd_proj_identifier = 'j';
+//for proj + light
+const char cmd_proj_identifier = 'q';
 
 const char cmd_debug = 'd';
 const char cmd_connect = 'i';