diff --git a/src/hal/generic.h b/src/hal/generic.h
index 82481fd8..1c9d3b39 100644
--- a/src/hal/generic.h
+++ b/src/hal/generic.h
@@ -31,7 +31,7 @@
 
 #define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
 //#define DISPLAY_FLIP  1 // use if display is rotated
-#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
+#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
 #define BATT_FACTOR 2 // voltage divider 100k/100k on board
 
 #define HAS_LED (21) // on board  LED
diff --git a/src/hal/ttgofox.h b/src/hal/ttgofox.h
index 18a8b04f..69543493 100644
--- a/src/hal/ttgofox.h
+++ b/src/hal/ttgofox.h
@@ -9,9 +9,9 @@
 #define CFG_sx1276_radio 1 // HPD13A LoRa SoC
 
 #define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
-#define HAS_LED NOT_A_PIN // green on board LED
+#define HAS_LED NOT_A_PIN // green on board LED is useless, because it's wired to GPIO25 = LORA_RST
 //#define LED_ACTIVE_LOW 1  // Onboard LED is active when pin is LOW
-#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
+#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL
 #define BATT_FACTOR 2 // voltage divider 100k/100k on board
 #define HAS_BUTTON GPIO_NUM_36 // on board button (next to reset)
 
@@ -28,7 +28,7 @@
 #define LORA_CS   (18)
 #define LORA_MISO (19)
 #define LORA_MOSI (27)
-#define LORA_RST  (23)
+#define LORA_RST  (25)
 #define LORA_IRQ  (26)
 #define LORA_IO1  (33)
 #define LORA_IO2  (32)
diff --git a/src/hal/ttgov21new.h b/src/hal/ttgov21new.h
index 6e21a65a..f2cf0571 100644
--- a/src/hal/ttgov21new.h
+++ b/src/hal/ttgov21new.h
@@ -15,7 +15,7 @@
 
 #define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
 #define HAS_LED (25) // green on board LED
-#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
+#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
 #define BATT_FACTOR 2 // voltage divider 100k/100k on board
 
 // Pins for I2C interface of OLED Display
diff --git a/src/hal/ttgov21old.h b/src/hal/ttgov21old.h
index 21cdd628..d3dd5572 100644
--- a/src/hal/ttgov21old.h
+++ b/src/hal/ttgov21old.h
@@ -18,7 +18,7 @@
 
 #define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
 //#define DISPLAY_FLIP  1 // rotated display
-//#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
+//#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
 //#define BATT_FACTOR 2 // voltage divider 100k/100k on board
 
 // Pins for I2C interface of OLED Display