diff --git a/src/hal/lopy4.h b/src/hal/lopy4.h
index cef619f0..5a4fffa0 100644
--- a/src/hal/lopy4.h
+++ b/src/hal/lopy4.h
@@ -27,10 +27,10 @@
 //#define GPS_ADDR 0x10
 
 // uncomment this only if your LoPy runs on a EXPANSION BOARD
-//#define HAS_LED GPIO_NUM_12 // use if LoPy is on Expansion Board, this has a user LED
-//#define LED_ACTIVE_LOW 1 // use if LoPy is on Expansion Board, this has a user LED
-//#define HAS_BUTTON GPIO_NUM_13 // user button on expansion board
-//define BUTTON_PULLUP 1  // Button need pullup instead of default pulldown
-//#define HAS_BATTERY_PROBE ADC1_GPIO39_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
-//#define BATT_FACTOR 2 // voltage divider 1MOhm/1MOhm -> expansion board 3.0
+#define HAS_LED GPIO_NUM_12 // use if LoPy is on Expansion Board, this has a user LED
+#define LED_ACTIVE_LOW 1 // use if LoPy is on Expansion Board, this has a user LED
+#define HAS_BUTTON GPIO_NUM_13 // user button on expansion board
+#define BUTTON_PULLUP 1  // Button need pullup instead of default pulldown
+#define HAS_BATTERY_PROBE ADC1_GPIO39_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
+#define BATT_FACTOR 2 // voltage divider 1MOhm/1MOhm -> expansion board 3.0
 //#define BATT_FACTOR 4 // voltage divider 115kOhm/56kOhm -> expansion board 2.0
\ No newline at end of file