diff --git a/ESP32/kw11-l.cpp b/ESP32/kw11-l.cpp
new file mode 120000
index 0000000..12a1881
--- /dev/null
+++ b/ESP32/kw11-l.cpp
@@ -0,0 +1 @@
+../kw11-l.cpp
\ No newline at end of file
diff --git a/ESP32/kw11-l.h b/ESP32/kw11-l.h
new file mode 120000
index 0000000..b7e88ef
--- /dev/null
+++ b/ESP32/kw11-l.h
@@ -0,0 +1 @@
+../kw11-l.h
\ No newline at end of file
diff --git a/ESP32/main.ino b/ESP32/main.ino
index 27c9bff..6318c2f 100644
--- a/ESP32/main.ino
+++ b/ESP32/main.ino
@@ -15,6 +15,7 @@
 #include "error.h"
 #include "esp32.h"
 #include "gen.h"
+#include "kw11-l.h"
 #include "loaders.h"
 #include "memory.h"
 #include "tty.h"
@@ -175,6 +176,9 @@ void setup() {
 	Serial.println(F("Connect CPU to BUS"));
 	b->add_cpu(c);
 
+	Serial.println(F("Start line-frequency interrupt"));
+	kw11_l *lf = new kw11_l(b);
+
 	c->setEmulateMFPT(true);
 
 	Serial.println(F("Init console"));