diff --git a/src/pinout.h b/src/pinout.h
index 061e316..a727027 100644
--- a/src/pinout.h
+++ b/src/pinout.h
@@ -18,5 +18,8 @@
 
 #define BUZZER_PIN 11
 
+#define BTN_ON_PIN  20
+#define BTN_OFF_PIN 21
+
 
 #endif // PINOUT_H