diff --git a/lib/hardware/GwHardware.h b/lib/hardware/GwHardware.h
index 3471a73..0a1b63a 100644
--- a/lib/hardware/GwHardware.h
+++ b/lib/hardware/GwHardware.h
@@ -23,6 +23,10 @@
 #define GWSERIAL_TX 26
 #define GWSERIAL_RX 32
 #define GWSERIAL_MODE "UNI"
+#define GWBUTTON_PIN GPIO_NUM_39
+#define GWBUTTON_ACTIVE LOW
+//if GWBUTTON_PULLUPDOWN we enable a pulup/pulldown
+#define GWBUTTON_PULLUPDOWN 
 #elif BOARD_M5ATOM_CANUNIT
 #define ESP32_CAN_TX_PIN GPIO_NUM_26
 #define ESP32_CAN_RX_PIN GPIO_NUM_32